2019652225

素因数分解:

$5^2\times {\mathrm{409}}^1\times {\mathrm{197521}}^1$

素因数の和:197940

約数の個数: 12

約数和(自身を含む): 2510504620

約数和(自身を除く): 490852395

約数列:

[1, 5, 25, 409, 2045, 10225, 197521, 987605, 4938025, 80786089, 403930445, 2019652225]

約数ペア:

[(1, 2019652225), (5, 403930445), (25, 80786089), (409, 4938025), (2045, 987605), (10225, 197521)]