205124598020

素因数分解:

$2^2\times 5^1\times {\mathrm{10256229901}}^1$

素因数の和:10256229910

約数の個数: 12

約数和(自身を含む): 430761655884

約数和(自身を除く): 225637057864

約数列:

[1, 2, 4, 5, 10, 20, 10256229901, 20512459802, 41024919604, 51281149505, 102562299010, 205124598020]

約数ペア:

[(1, 205124598020), (2, 102562299010), (4, 51281149505), (5, 41024919604), (10, 20512459802), (20, 10256229901)]