Q: What is the sum of all factors of the number 80,990 excluding 80,990?
A: 100,450
The factors of the number 80,990 are: 1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 89, 91, 130, 178, 182, 445, 455, 623, 890, 910, 1157, 1246, 2314, 3115, 5785, 6230, 8099, 11570, 16198, 40495, 80990.
If you add them up, you will get the total of 81,090. Now subtract 80,990 to get 100,450