42910220

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{2081}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 90242208

約数和(自身を除く): 47331988

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 2081, 4124, 4162, 5155, 8324, 10310, 10405, 20620, 20810, 41620, 2145511, 4291022, 8582044, 10727555, 21455110, 42910220]

約数ペア:

[(1, 42910220), (2, 21455110), (4, 10727555), (5, 8582044), (10, 4291022), (20, 2145511), (1031, 41620), (2062, 20810), (2081, 20620), (4124, 10405), (4162, 10310), (5155, 8324)]