Q: What is the sum of all factors of the number 12,345,680 excluding 12,345,680?
A: 16,358,212
The factors of the number 12,345,680 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 154321, 308642, 617284, 771605, 1234568, 1543210, 2469136, 3086420, 6172840, 12345680.
If you add them up, you will get the total of 12,345,696. Now subtract 12,345,680 to get 16,358,212