31150540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21937}}^1$

素因数の和:22017

約数の個数: 24

約数和(自身を含む): 66340512

約数和(自身を除く): 35189972

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21937, 43874, 87748, 109685, 219370, 438740, 1557527, 3115054, 6230108, 7787635, 15575270, 31150540]

約数ペア:

[(1, 31150540), (2, 15575270), (4, 7787635), (5, 6230108), (10, 3115054), (20, 1557527), (71, 438740), (142, 219370), (284, 109685), (355, 87748), (710, 43874), (1420, 21937)]