40928260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47591}}^1$

素因数の和:47643

約数の個数: 24

約数和(自身を含む): 87950016

約数和(自身を除く): 47021756

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 47591, 95182, 190364, 237955, 475910, 951820, 2046413, 4092826, 8185652, 10232065, 20464130, 40928260]

約数ペア:

[(1, 40928260), (2, 20464130), (4, 10232065), (5, 8185652), (10, 4092826), (20, 2046413), (43, 951820), (86, 475910), (172, 237955), (215, 190364), (430, 95182), (860, 47591)]