66712900

素因数分解:

$2^2\times 5^2\times {\mathrm{667129}}^1$

素因数の和:667143

約数の個数: 18

約数和(自身を含む): 144767210

約数和(自身を除く): 78054310

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 667129, 1334258, 2668516, 3335645, 6671290, 13342580, 16678225, 33356450, 66712900]

約数ペア:

[(1, 66712900), (2, 33356450), (4, 16678225), (5, 13342580), (10, 6671290), (20, 3335645), (25, 2668516), (50, 1334258), (100, 667129)]