55550225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 71807160

約数和(自身を除く): 16256935

約数列:

[1, 5, 25, 29, 145, 193, 397, 725, 965, 1985, 4825, 5597, 9925, 11513, 27985, 57565, 76621, 139925, 287825, 383105, 1915525, 2222009, 11110045, 55550225]

約数ペア:

[(1, 55550225), (5, 11110045), (25, 2222009), (29, 1915525), (145, 383105), (193, 287825), (397, 139925), (725, 76621), (965, 57565), (1985, 27985), (4825, 11513), (5597, 9925)]