Q: What is the sum of all factors of the number 640,705 excluding 640,705?
A: 187,367
The factors of the number 640,705 are: 1, 5, 13, 65, 9857, 49285, 128141, 640705.
If you add them up, you will get the total of 640,892. Now subtract 640,705 to get 187,367