The factors of the number 25,157,440 are: 1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1021, 1120, 1232, 1540, 1760, 2042, 2240, 2464, 3080, 3520, 4084, 4928, 5105, 6160, 7147, 8168, 10210, 11231, 12320, 14294, 16336, 20420, 22462, 24640, 28588, 32672, 35735, 40840, 44924, 56155, 57176, 65344, 71470, 78617, 81680, 89848, 112310, 114352, 142940, 157234, 163360, 179696, 224620, 228704, 285880, 314468, 326720, 359392, 393085, 449240, 457408, 571760, 628936, 718784, 786170, 898480, 1143520, 1257872, 1572340, 1796960, 2287040, 2515744, 3144680, 3593920, 5031488, 6289360, 12578720, 25157440.
If you add them up, you will get the total of 74,761,344.