The factors of the number 10,245,560 are: 1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 61, 65, 68, 76, 85, 95, 104, 122, 130, 136, 152, 170, 190, 221, 244, 247, 260, 305, 323, 340, 380, 442, 488, 494, 520, 610, 646, 680, 760, 793, 884, 988, 1037, 1105, 1159, 1220, 1235, 1292, 1586, 1615, 1768, 1976, 2074, 2210, 2318, 2440, 2470, 2584, 3172, 3230, 3965, 4148, 4199, 4420, 4636, 4940, 5185, 5795, 6344, 6460, 7930, 8296, 8398, 8840, 9272, 9880, 10370, 11590, 12920, 13481, 15067, 15860, 16796, 19703, 20740, 20995, 23180, 26962, 30134, 31720, 33592, 39406, 41480, 41990, 46360, 53924, 60268, 67405, 75335, 78812, 83980, 98515, 107848, 120536, 134810, 150670, 157624, 167960, 197030, 256139, 269620, 301340, 394060, 512278, 539240, 602680, 788120, 1024556, 1280695, 2049112, 2561390, 5122780, 10245560.
If you add them up, you will get the total of 28,123,200.