8540660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9931}}^1$

素因数の和:9983

約数の個数: 24

約数和(自身を含む): 18354336

約数和(自身を除く): 9813676

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 9931, 19862, 39724, 49655, 99310, 198620, 427033, 854066, 1708132, 2135165, 4270330, 8540660]

約数ペア:

[(1, 8540660), (2, 4270330), (4, 2135165), (5, 1708132), (10, 854066), (20, 427033), (43, 198620), (86, 99310), (172, 49655), (215, 39724), (430, 19862), (860, 9931)]