42945820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49937}}^1$

素因数の和:49989

約数の個数: 24

約数和(自身を含む): 92285424

約数和(自身を除く): 49339604

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 49937, 99874, 199748, 249685, 499370, 998740, 2147291, 4294582, 8589164, 10736455, 21472910, 42945820]

約数ペア:

[(1, 42945820), (2, 21472910), (4, 10736455), (5, 8589164), (10, 4294582), (20, 2147291), (43, 998740), (86, 499370), (172, 249685), (215, 199748), (430, 99874), (860, 49937)]