The factors of the number 13,068,720 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 2593, 5040, 5186, 7779, 10372, 12965, 15558, 18151, 20744, 23337, 25930, 31116, 36302, 38895, 41488, 46674, 51860, 54453, 62232, 72604, 77790, 90755, 93348, 103720, 108906, 116685, 124464, 145208, 155580, 163359, 181510, 186696, 207440, 217812, 233370, 272265, 290416, 311160, 326718, 363020, 373392, 435624, 466740, 544530, 622320, 653436, 726040, 816795, 871248, 933480, 1089060, 1306872, 1452080, 1633590, 1866960, 2178120, 2613744, 3267180, 4356240, 6534360, 13068720.
If you add them up, you will get the total of 50,178,336.