Q: What is the sum of all factors of the number 39,880 excluding 39,880?
A: 49,940
The factors of the number 39,880 are: 1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 9970, 19940, 39880.
If you add them up, you will get the total of 39,929. Now subtract 39,880 to get 49,940