Q: What is the sum of all factors of the number 623,080 excluding 623,080?
A: 820,160
The factors of the number 623,080 are: 1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 421, 740, 842, 1480, 1684, 2105, 3368, 4210, 8420, 15577, 16840, 31154, 62308, 77885, 124616, 155770, 311540, 623080.
If you add them up, you will get the total of 623,900. Now subtract 623,080 to get 820,160