980735620

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{90641}}^1$

素因数の和:91191

約数の個数: 24

約数和(自身を含む): 2063374488

約数和(自身を除く): 1082638868

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 90641, 181282, 362564, 453205, 906410, 1812820, 49036781, 98073562, 196147124, 245183905, 490367810, 980735620]

約数ペア:

[(1, 980735620), (2, 490367810), (4, 245183905), (5, 196147124), (10, 98073562), (20, 49036781), (541, 1812820), (1082, 906410), (2164, 453205), (2705, 362564), (5410, 181282), (10820, 90641)]