The factors of the number 8,688,400 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 80, 100, 107, 112, 116, 140, 145, 175, 200, 203, 214, 232, 280, 290, 350, 400, 406, 428, 464, 535, 560, 580, 700, 725, 749, 812, 856, 1015, 1070, 1160, 1400, 1450, 1498, 1624, 1712, 2030, 2140, 2320, 2675, 2800, 2900, 2996, 3103, 3248, 3745, 4060, 4280, 5075, 5350, 5800, 5992, 6206, 7490, 8120, 8560, 10150, 10700, 11600, 11984, 12412, 14980, 15515, 16240, 18725, 20300, 21400, 21721, 24824, 29960, 31030, 37450, 40600, 42800, 43442, 49648, 59920, 62060, 74900, 77575, 81200, 86884, 108605, 124120, 149800, 155150, 173768, 217210, 248240, 299600, 310300, 347536, 434420, 543025, 620600, 868840, 1086050, 1241200, 1737680, 2172100, 4344200, 8688400.
If you add them up, you will get the total of 8,688,416. Now subtract 8,688,400 to get 16,220,720