209982160

素因数分解:

$2^4\times 5^1\times {\mathrm{2624777}}^1$

素因数の和:2624790

約数の個数: 20

約数和(自身を含む): 488208708

約数和(自身を除く): 278226548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2624777, 5249554, 10499108, 13123885, 20998216, 26247770, 41996432, 52495540, 104991080, 209982160]

約数ペア:

[(1, 209982160), (2, 104991080), (4, 52495540), (5, 41996432), (8, 26247770), (10, 20998216), (16, 13123885), (20, 10499108), (40, 5249554), (80, 2624777)]