54090820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{386363}}^1$

素因数の和:386379

約数の個数: 24

約数和(自身を含む): 129818304

約数和(自身を除く): 75727484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 386363, 772726, 1545452, 1931815, 2704541, 3863630, 5409082, 7727260, 10818164, 13522705, 27045410, 54090820]

約数ペア:

[(1, 54090820), (2, 27045410), (4, 13522705), (5, 10818164), (7, 7727260), (10, 5409082), (14, 3863630), (20, 2704541), (28, 1931815), (35, 1545452), (70, 772726), (140, 386363)]