2021023349725

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{5039}}^1\times {\mathrm{180259}}^1$

素因数の和:185397

約数の個数: 24

約数和(自身を含む): 2534744016000

約数和(自身を除く): 513720666275

約数列:

[1, 5, 25, 89, 445, 2225, 5039, 25195, 125975, 180259, 448471, 901295, 2242355, 4506475, 11211775, 16043051, 80215255, 401076275, 908325101, 4541625505, 22708127525, 80840933989, 404204669945, 2021023349725]

約数ペア:

[(1, 2021023349725), (5, 404204669945), (25, 80840933989), (89, 22708127525), (445, 4541625505), (2225, 908325101), (5039, 401076275), (25195, 80215255), (125975, 16043051), (180259, 11211775), (448471, 4506475), (901295, 2242355)]