40790660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47431}}^1$

素因数の和:47483

約数の個数: 24

約数和(自身を含む): 87654336

約数和(自身を除く): 46863676

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 47431, 94862, 189724, 237155, 474310, 948620, 2039533, 4079066, 8158132, 10197665, 20395330, 40790660]

約数ペア:

[(1, 40790660), (2, 20395330), (4, 10197665), (5, 8158132), (10, 4079066), (20, 2039533), (43, 948620), (86, 474310), (172, 237155), (215, 189724), (430, 94862), (860, 47431)]