210980240

素因数分解:

$2^4\times 5^1\times {\mathrm{2637253}}^1$

素因数の和:2637266

約数の個数: 20

約数和(自身を含む): 490529244

約数和(自身を除く): 279549004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2637253, 5274506, 10549012, 13186265, 21098024, 26372530, 42196048, 52745060, 105490120, 210980240]

約数ペア:

[(1, 210980240), (2, 105490120), (4, 52745060), (5, 42196048), (8, 26372530), (10, 21098024), (16, 13186265), (20, 10549012), (40, 5274506), (80, 2637253)]