Q: What is the sum of all factors of the number 83,890 excluding 83,890?
A: 67,130
The factors of the number 83,890 are: 1, 2, 5, 10, 8389, 16778, 41945, 83890.
If you add them up, you will get the total of 83,957. Now subtract 83,890 to get 67,130