1357940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 2919840

約数和(自身を除く): 1561900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1579, 3158, 6316, 7895, 15790, 31580, 67897, 135794, 271588, 339485, 678970, 1357940]

約数ペア:

[(1, 1357940), (2, 678970), (4, 339485), (5, 271588), (10, 135794), (20, 67897), (43, 31580), (86, 15790), (172, 7895), (215, 6316), (430, 3158), (860, 1579)]