Q: What is the sum of all factors of the number 31,840 excluding 31,840?
A: 43,760
The factors of the number 31,840 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 15920, 31840.
If you add them up, you will get the total of 31,883. Now subtract 31,840 to get 43,760