2021584900

素因数分解:

$2^2\times 5^2\times {\mathrm{20215849}}^1$

素因数の和:20215863

約数の個数: 18

約数和(自身を含む): 4386839450

約数和(自身を除く): 2365254550

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20215849, 40431698, 80863396, 101079245, 202158490, 404316980, 505396225, 1010792450, 2021584900]

約数ペア:

[(1, 2021584900), (2, 1010792450), (4, 505396225), (5, 404316980), (10, 202158490), (20, 101079245), (25, 80863396), (50, 40431698), (100, 20215849)]