Q: What is the sum of all factors of the number 68,840 excluding 68,840?
A: 86,140
The factors of the number 68,840 are: 1, 2, 4, 5, 8, 10, 20, 40, 1721, 3442, 6884, 8605, 13768, 17210, 34420, 68840.
If you add them up, you will get the total of 68,926. Now subtract 68,840 to get 86,140