The factors of the number 4,891,920 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 109, 110, 120, 132, 136, 165, 170, 176, 187, 204, 218, 220, 240, 255, 264, 272, 327, 330, 340, 374, 408, 436, 440, 510, 528, 545, 561, 654, 660, 680, 748, 816, 872, 880, 935, 1020, 1090, 1122, 1199, 1308, 1320, 1360, 1496, 1635, 1744, 1853, 1870, 2040, 2180, 2244, 2398, 2616, 2640, 2805, 2992, 3270, 3597, 3706, 3740, 4080, 4360, 4488, 4796, 5232, 5559, 5610, 5995, 6540, 7194, 7412, 7480, 8720, 8976, 9265, 9592, 11118, 11220, 11990, 13080, 14388, 14824, 14960, 17985, 18530, 19184, 20383, 22236, 22440, 23980, 26160, 27795, 28776, 29648, 35970, 37060, 40766, 44472, 44880, 47960, 55590, 57552, 61149, 71940, 74120, 81532, 88944, 95920, 101915, 111180, 122298, 143880, 148240, 163064, 203830, 222360, 244596, 287760, 305745, 326128, 407660, 444720, 489192, 611490, 815320, 978384, 1222980, 1630640, 2445960, 4891920.
If you add them up, you will get the total of 4,891,932. Now subtract 4,891,920 to get 12,785,520