40045025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 51734784

約数和(自身を除く): 11689759

約数列:

[1, 5, 25, 31, 155, 163, 317, 775, 815, 1585, 4075, 5053, 7925, 9827, 25265, 49135, 51671, 126325, 245675, 258355, 1291775, 1601801, 8009005, 40045025]

約数ペア:

[(1, 40045025), (5, 8009005), (25, 1601801), (31, 1291775), (155, 258355), (163, 245675), (317, 126325), (775, 51671), (815, 49135), (1585, 25265), (4075, 9827), (5053, 7925)]