Q: What is the sum of all factors of the number 40,139 excluding 40,139?
A: 5,221
The factors of the number 40,139 are: 1, 11, 41, 89, 451, 979, 3649, 40139.
If you add them up, you will get the total of 40,144. Now subtract 40,139 to get 5,221