2099628100

素因数分解:

$2^2\times 5^2\times {\mathrm{1009}}^1\times {\mathrm{20809}}^1$

素因数の和:21832

約数の個数: 36

約数和(自身を含む): 4560927700

約数和(自身を除く): 2461299600

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1009, 2018, 4036, 5045, 10090, 20180, 20809, 25225, 41618, 50450, 83236, 100900, 104045, 208090, 416180, 520225, 1040450, 2080900, 20996281, 41992562, 83985124, 104981405, 209962810, 419925620, 524907025, 1049814050, 2099628100]

約数ペア:

[(1, 2099628100), (2, 1049814050), (4, 524907025), (5, 419925620), (10, 209962810), (20, 104981405), (25, 83985124), (50, 41992562), (100, 20996281), (1009, 2080900), (2018, 1040450), (4036, 520225), (5045, 416180), (10090, 208090), (20180, 104045), (20809, 100900), (25225, 83236), (41618, 50450)]