201378680

素因数分解:

$2^3\times 5^1\times {\mathrm{5034467}}^1$

素因数の和:5034478

約数の個数: 16

約数和(自身を含む): 453102120

約数和(自身を除く): 251723440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5034467, 10068934, 20137868, 25172335, 40275736, 50344670, 100689340, 201378680]

約数ペア:

[(1, 201378680), (2, 100689340), (4, 50344670), (5, 40275736), (8, 25172335), (10, 20137868), (20, 10068934), (40, 5034467)]