421214960

素因数分解:

$2^4\times 5^1\times {\mathrm{5265187}}^1$

素因数の和:5265200

約数の個数: 20

約数和(自身を含む): 979324968

約数和(自身を除く): 558110008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5265187, 10530374, 21060748, 26325935, 42121496, 52651870, 84242992, 105303740, 210607480, 421214960]

約数ペア:

[(1, 421214960), (2, 210607480), (4, 105303740), (5, 84242992), (8, 52651870), (10, 42121496), (16, 26325935), (20, 21060748), (40, 10530374), (80, 5265187)]