10870220

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1291}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 22899408

約数和(自身を除く): 12029188

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1291, 1684, 2105, 2582, 4210, 5164, 6455, 8420, 12910, 25820, 543511, 1087022, 2174044, 2717555, 5435110, 10870220]

約数ペア:

[(1, 10870220), (2, 5435110), (4, 2717555), (5, 2174044), (10, 1087022), (20, 543511), (421, 25820), (842, 12910), (1291, 8420), (1684, 6455), (2105, 5164), (2582, 4210)]