118773640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{18913}}^1$

素因数の和:19081

約数の個数: 32

約数和(自身を含む): 268957080

約数和(自身を除く): 150183440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 18913, 37826, 75652, 94565, 151304, 189130, 378260, 756520, 2969341, 5938682, 11877364, 14846705, 23754728, 29693410, 59386820, 118773640]

約数ペア:

[(1, 118773640), (2, 59386820), (4, 29693410), (5, 23754728), (8, 14846705), (10, 11877364), (20, 5938682), (40, 2969341), (157, 756520), (314, 378260), (628, 189130), (785, 151304), (1256, 94565), (1570, 75652), (3140, 37826), (6280, 18913)]