Q: What is the sum of all factors of the number 81,560 excluding 81,560?
A: 102,040
The factors of the number 81,560 are: 1, 2, 4, 5, 8, 10, 20, 40, 2039, 4078, 8156, 10195, 16312, 20390, 40780, 81560.
If you add them up, you will get the total of 81,662. Now subtract 81,560 to get 102,040