39964780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13411}}^1$

素因数の和:13569

約数の個数: 24

約数和(自身を含む): 84495600

約数和(自身を除く): 44530820

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 13411, 26822, 53644, 67055, 134110, 268220, 1998239, 3996478, 7992956, 9991195, 19982390, 39964780]

約数ペア:

[(1, 39964780), (2, 19982390), (4, 9991195), (5, 7992956), (10, 3996478), (20, 1998239), (149, 268220), (298, 134110), (596, 67055), (745, 53644), (1490, 26822), (2980, 13411)]