Q: What is the sum of all factors of the number 639,992 excluding 639,992?
A: 560,008
The factors of the number 639,992 are: 1, 2, 4, 8, 79999, 159998, 319996, 639992.
If you add them up, you will get the total of 640,552. Now subtract 639,992 to get 560,008