The factors of the number 12,526,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 41, 48, 57, 60, 67, 76, 80, 82, 95, 114, 120, 123, 134, 152, 164, 190, 201, 205, 228, 240, 246, 268, 285, 304, 328, 335, 380, 402, 410, 456, 492, 536, 570, 615, 656, 670, 760, 779, 804, 820, 912, 984, 1005, 1072, 1140, 1230, 1273, 1340, 1520, 1558, 1608, 1640, 1968, 2010, 2280, 2337, 2460, 2546, 2680, 2747, 3116, 3216, 3280, 3819, 3895, 4020, 4560, 4674, 4920, 5092, 5360, 5494, 6232, 6365, 7638, 7790, 8040, 8241, 9348, 9840, 10184, 10988, 11685, 12464, 12730, 13735, 15276, 15580, 16080, 16482, 18696, 19095, 20368, 21976, 23370, 25460, 27470, 30552, 31160, 32964, 37392, 38190, 41205, 43952, 46740, 50920, 52193, 54940, 61104, 62320, 65928, 76380, 82410, 93480, 101840, 104386, 109880, 131856, 152760, 156579, 164820, 186960, 208772, 219760, 260965, 305520, 313158, 329640, 417544, 521930, 626316, 659280, 782895, 835088, 1043860, 1252632, 1565790, 2087720, 2505264, 3131580, 4175440, 6263160, 12526320.
If you add them up, you will get the total of 42,497,280.