202155640

素因数分解:

$2^3\times 5^1\times {\mathrm{5053891}}^1$

素因数の和:5053902

約数の個数: 16

約数和(自身を含む): 454850280

約数和(自身を除く): 252694640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5053891, 10107782, 20215564, 25269455, 40431128, 50538910, 101077820, 202155640]

約数ペア:

[(1, 202155640), (2, 101077820), (4, 50538910), (5, 40431128), (8, 25269455), (10, 20215564), (20, 10107782), (40, 5053891)]