Q: What is the sum of all factors of the number 637,640 including 637,640?

Why is 1,512,000 the sum of all factors of 637,640, including 637,640?

The factors of the number 637,640 are: 1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 839, 1678, 3356, 4195, 6712, 8390, 15941, 16780, 31882, 33560, 63764, 79705, 127528, 159410, 318820, 637640.

If you add them up, you will get the total of 1,512,000.

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