Q: What is the sum of all factors of the number 1,639,340 excluding 1,639,340?
A: 1,803,316
The factors of the number 1,639,340 are: 1, 2, 4, 5, 10, 20, 81967, 163934, 327868, 409835, 819670, 1639340.
If you add them up, you will get the total of 1,639,341. Now subtract 1,639,340 to get 1,803,316