Q: What is the sum of all factors of the number 55,780 including 55,780?
A: 117,180
The factors of the number 55,780 are: 1, 2, 4, 5, 10, 20, 2789, 5578, 11156, 13945, 27890, 55780.
If you add them up, you will get the total of 117,180.