64523980

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{3557}}^1$

素因数の和:4473

約数の個数: 24

約数和(自身を含む): 135687888

約数和(自身を除く): 71163908

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3557, 3628, 4535, 7114, 9070, 14228, 17785, 18140, 35570, 71140, 3226199, 6452398, 12904796, 16130995, 32261990, 64523980]

約数ペア:

[(1, 64523980), (2, 32261990), (4, 16130995), (5, 12904796), (10, 6452398), (20, 3226199), (907, 71140), (1814, 35570), (3557, 18140), (3628, 17785), (4535, 14228), (7114, 9070)]