The factors of the number 12,634,440 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 89, 91, 104, 105, 120, 130, 140, 156, 168, 169, 178, 182, 195, 210, 260, 267, 273, 280, 312, 338, 356, 364, 390, 420, 445, 455, 507, 520, 534, 546, 623, 676, 712, 728, 780, 840, 845, 890, 910, 1014, 1068, 1092, 1157, 1183, 1246, 1335, 1352, 1365, 1560, 1690, 1780, 1820, 1869, 2028, 2136, 2184, 2314, 2366, 2492, 2535, 2670, 2730, 3115, 3380, 3471, 3549, 3560, 3640, 3738, 4056, 4628, 4732, 4984, 5070, 5340, 5460, 5785, 5915, 6230, 6760, 6942, 7098, 7476, 8099, 9256, 9345, 9464, 10140, 10680, 10920, 11570, 11830, 12460, 13884, 14196, 14952, 15041, 16198, 17355, 17745, 18690, 20280, 23140, 23660, 24297, 24920, 27768, 28392, 30082, 32396, 34710, 35490, 37380, 40495, 45123, 46280, 47320, 48594, 60164, 64792, 69420, 70980, 74760, 75205, 80990, 90246, 97188, 105287, 120328, 121485, 138840, 141960, 150410, 161980, 180492, 194376, 210574, 225615, 242970, 300820, 315861, 323960, 360984, 421148, 451230, 485940, 526435, 601640, 631722, 842296, 902460, 971880, 1052870, 1263444, 1579305, 1804920, 2105740, 2526888, 3158610, 4211480, 6317220, 12634440.
If you add them up, you will get the total of 47,433,600.