30909040

素因数分解:

$2^4\times 5^1\times {\mathrm{386363}}^1$

素因数の和:386376

約数の個数: 20

約数和(自身を含む): 71863704

約数和(自身を除く): 40954664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386363, 772726, 1545452, 1931815, 3090904, 3863630, 6181808, 7727260, 15454520, 30909040]

約数ペア:

[(1, 30909040), (2, 15454520), (4, 7727260), (5, 6181808), (8, 3863630), (10, 3090904), (16, 1931815), (20, 1545452), (40, 772726), (80, 386363)]