205654580

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{10091}}^1$

素因数の和:11119

約数の個数: 24

約数和(自身を含む): 432341280

約数和(自身を除く): 226686700

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 5095, 10091, 10190, 20182, 20380, 40364, 50455, 100910, 201820, 10282729, 20565458, 41130916, 51413645, 102827290, 205654580]

約数ペア:

[(1, 205654580), (2, 102827290), (4, 51413645), (5, 41130916), (10, 20565458), (20, 10282729), (1019, 201820), (2038, 100910), (4076, 50455), (5095, 40364), (10091, 20380), (10190, 20182)]