212160100

素因数分解:

$2^2\times 5^2\times {\mathrm{2121601}}^1$

素因数の和:2121615

約数の個数: 18

約数和(自身を含む): 460387634

約数和(自身を除く): 248227534

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2121601, 4243202, 8486404, 10608005, 21216010, 42432020, 53040025, 106080050, 212160100]

約数ペア:

[(1, 212160100), (2, 106080050), (4, 53040025), (5, 42432020), (10, 21216010), (20, 10608005), (25, 8486404), (50, 4243202), (100, 2121601)]