Q: What is the sum of all factors of the number 39,905 excluding 39,905?
A: 10,207
The factors of the number 39,905 are: 1, 5, 23, 115, 347, 1735, 7981, 39905.
If you add them up, you will get the total of 39,915. Now subtract 39,905 to get 10,207