210208025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{205081}}^1$

素因数の和:205132

約数の個数: 12

約数和(自身を含む): 267016764

約数和(自身を除く): 56808739

約数列:

[1, 5, 25, 41, 205, 1025, 205081, 1025405, 5127025, 8408321, 42041605, 210208025]

約数ペア:

[(1, 210208025), (5, 42041605), (25, 8408321), (41, 5127025), (205, 1025405), (1025, 205081)]