Q: What is the sum of all factors of the number 40,678,680 excluding 40,678,680?

 A: 100,786,920

Why is 100,786,920 the sum of all factors of 40,678,680, excluding 40,678,680?

The factors of the number 40,678,680 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 553, 613, 632, 790, 840, 948, 1106, 1185, 1226, 1580, 1659, 1839, 1896, 2212, 2370, 2452, 2765, 3065, 3160, 3318, 3678, 4291, 4424, 4740, 4904, 5530, 6130, 6636, 7356, 8295, 8582, 9195, 9480, 11060, 12260, 12873, 13272, 14712, 16590, 17164, 18390, 21455, 22120, 24520, 25746, 33180, 34328, 36780, 42910, 48427, 51492, 64365, 66360, 73560, 85820, 96854, 102984, 128730, 145281, 171640, 193708, 242135, 257460, 290562, 338989, 387416, 484270, 514920, 581124, 677978, 726405, 968540, 1016967, 1162248, 1355956, 1452810, 1694945, 1937080, 2033934, 2711912, 2905620, 3389890, 4067868, 5084835, 5811240, 6779780, 8135736, 10169670, 13559560, 20339340, 40678680.

If you add them up, you will get the total of 40,678,780. Now subtract 40,678,680 to get 100,786,920


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