The factors of the number 10,688,640 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 293, 304, 320, 380, 384, 456, 480, 570, 586, 608, 640, 760, 879, 912, 960, 1140, 1172, 1216, 1465, 1520, 1758, 1824, 1920, 2280, 2344, 2432, 2930, 3040, 3516, 3648, 4395, 4560, 4688, 5567, 5860, 6080, 7032, 7296, 8790, 9120, 9376, 11134, 11720, 12160, 14064, 16701, 17580, 18240, 18752, 22268, 23440, 27835, 28128, 33402, 35160, 36480, 37504, 44536, 46880, 55670, 56256, 66804, 70320, 83505, 89072, 93760, 111340, 112512, 133608, 140640, 167010, 178144, 187520, 222680, 267216, 281280, 334020, 356288, 445360, 534432, 562560, 668040, 712576, 890720, 1068864, 1336080, 1781440, 2137728, 2672160, 3562880, 5344320, 10688640.
If you add them up, you will get the total of 10,688,665. Now subtract 10,688,640 to get 25,296,960