204564460

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{10259}}^1$

素因数の和:11265

約数の個数: 24

約数和(自身を含む): 430058160

約数和(自身を除く): 225493700

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 10259, 19940, 20518, 41036, 51295, 102590, 205180, 10228223, 20456446, 40912892, 51141115, 102282230, 204564460]

約数ペア:

[(1, 204564460), (2, 102282230), (4, 51141115), (5, 40912892), (10, 20456446), (20, 10228223), (997, 205180), (1994, 102590), (3988, 51295), (4985, 41036), (9970, 20518), (10259, 19940)]