Q: What is the sum of all factors of the number 258,320 excluding 258,320?
A: 342,460
The factors of the number 258,320 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3229, 6458, 12916, 16145, 25832, 32290, 51664, 64580, 129160, 258320.
If you add them up, you will get the total of 258,662. Now subtract 258,320 to get 342,460