214916080

素因数分解:

$2^4\times 5^1\times {\mathrm{2686451}}^1$

素因数の和:2686464

約数の個数: 20

約数和(自身を含む): 499680072

約数和(自身を除く): 284763992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2686451, 5372902, 10745804, 13432255, 21491608, 26864510, 42983216, 53729020, 107458040, 214916080]

約数ペア:

[(1, 214916080), (2, 107458040), (4, 53729020), (5, 42983216), (8, 26864510), (10, 21491608), (16, 13432255), (20, 10745804), (40, 5372902), (80, 2686451)]