4053740

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1291}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 8573712

約数和(自身を除く): 4519972

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1291, 1570, 2582, 3140, 5164, 6455, 12910, 25820, 202687, 405374, 810748, 1013435, 2026870, 4053740]

約数ペア:

[(1, 4053740), (2, 2026870), (4, 1013435), (5, 810748), (10, 405374), (20, 202687), (157, 25820), (314, 12910), (628, 6455), (785, 5164), (1291, 3140), (1570, 2582)]