Q: What is the sum of all factors of the number 209,080 excluding 209,080?
A: 261,440
The factors of the number 209,080 are: 1, 2, 4, 5, 8, 10, 20, 40, 5227, 10454, 20908, 26135, 41816, 52270, 104540, 209080.
If you add them up, you will get the total of 209,341. Now subtract 209,080 to get 261,440