210905840

素因数分解:

$2^4\times 5^1\times {\mathrm{2636323}}^1$

素因数の和:2636336

約数の個数: 20

約数和(自身を含む): 490356264

約数和(自身を除く): 279450424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2636323, 5272646, 10545292, 13181615, 21090584, 26363230, 42181168, 52726460, 105452920, 210905840]

約数ペア:

[(1, 210905840), (2, 105452920), (4, 52726460), (5, 42181168), (8, 26363230), (10, 21090584), (16, 13181615), (20, 10545292), (40, 5272646), (80, 2636323)]