Q: What is the sum of all factors of the number 661,580 excluding 661,580?
A: 801,700
The factors of the number 661,580 are: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1741, 3482, 6964, 8705, 17410, 33079, 34820, 66158, 132316, 165395, 330790, 661580.
If you add them up, you will get the total of 662,381. Now subtract 661,580 to get 801,700