2020657025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{1325021}}^1$

素因数の和:1325092

約数の個数: 12

約数和(自身を含む): 2546692284

約数和(自身を除く): 526035259

約数列:

[1, 5, 25, 61, 305, 1525, 1325021, 6625105, 33125525, 80826281, 404131405, 2020657025]

約数ペア:

[(1, 2020657025), (5, 404131405), (25, 80826281), (61, 33125525), (305, 6625105), (1525, 1325021)]