Q: What is the sum of all factors of the number 86,440 excluding 86,440?
A: 108,140
The factors of the number 86,440 are: 1, 2, 4, 5, 8, 10, 20, 40, 2161, 4322, 8644, 10805, 17288, 21610, 43220, 86440.
If you add them up, you will get the total of 86,548. Now subtract 86,440 to get 108,140