71617340

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{5569}}^1$

素因数の和:6221

約数の個数: 24

約数和(自身を含む): 150657360

約数和(自身を除く): 79040020

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 5569, 6430, 11138, 12860, 22276, 27845, 55690, 111380, 3580867, 7161734, 14323468, 17904335, 35808670, 71617340]

約数ペア:

[(1, 71617340), (2, 35808670), (4, 17904335), (5, 14323468), (10, 7161734), (20, 3580867), (643, 111380), (1286, 55690), (2572, 27845), (3215, 22276), (5569, 12860), (6430, 11138)]