Q: What is the sum of all factors of the number 639,995 excluding 639,995?
A: 152,965
The factors of the number 639,995 are: 1, 5, 31, 155, 4129, 20645, 127999, 639995.
If you add them up, you will get the total of 640,147. Now subtract 639,995 to get 152,965