Q: What is the sum of all factors of the number 69,640 excluding 69,640?
A: 87,140
The factors of the number 69,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 1741, 3482, 6964, 8705, 13928, 17410, 34820, 69640.
If you add them up, you will get the total of 69,727. Now subtract 69,640 to get 87,140