88666520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21521}}^1$

素因数の和:21635

約数の個数: 32

約数和(自身を含む): 201445920

約数和(自身を除く): 112779400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 21521, 43042, 86084, 107605, 172168, 215210, 430420, 860840, 2216663, 4433326, 8866652, 11083315, 17733304, 22166630, 44333260, 88666520]

約数ペア:

[(1, 88666520), (2, 44333260), (4, 22166630), (5, 17733304), (8, 11083315), (10, 8866652), (20, 4433326), (40, 2216663), (103, 860840), (206, 430420), (412, 215210), (515, 172168), (824, 107605), (1030, 86084), (2060, 43042), (4120, 21521)]