Q: What is the sum of all factors of the number 12,215,800 excluding 12,215,800?

A: 16,510,040

Why is 16,510,040 the sum of all factors of 12,215,800, excluding 12,215,800?

The factors of the number 12,215,800 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 412, 515, 593, 824, 1030, 1186, 2060, 2372, 2575, 2965, 4120, 4744, 5150, 5930, 10300, 11860, 14825, 20600, 23720, 29650, 59300, 61079, 118600, 122158, 244316, 305395, 488632, 610790, 1221580, 1526975, 2443160, 3053950, 6107900, 12215800.

If you add them up, you will get the total of 12,215,816. Now subtract 12,215,800 to get 16,510,040