Q: What is the sum of all factors of the number 642,565,640 including 642,565,640?

A: 1,473,056,280

Why is 1,473,056,280 the sum of all factors of 642,565,640, including 642,565,640?

The factors of the number 642,565,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 303097, 606194, 1212388, 1515485, 2424776, 3030970, 6061940, 12123880, 16064141, 32128282, 64256564, 80320705, 128513128, 160641410, 321282820, 642565640.

If you add them up, you will get the total of 1,473,056,280.