208048578020

素因数分解:

$2^2\times 5^1\times {\mathrm{10402428901}}^1$

素因数の和:10402428910

約数の個数: 12

約数和(自身を含む): 436902013884

約数和(自身を除く): 228853435864

約数列:

[1, 2, 4, 5, 10, 20, 10402428901, 20804857802, 41609715604, 52012144505, 104024289010, 208048578020]

約数ペア:

[(1, 208048578020), (2, 104024289010), (4, 52012144505), (5, 41609715604), (10, 20804857802), (20, 10402428901)]