545455220

素因数分解:

$2^2\times 5^1\times {\mathrm{27272761}}^1$

素因数の和:27272770

約数の個数: 12

約数和(自身を含む): 1145456004

約数和(自身を除く): 600000784

約数列:

[1, 2, 4, 5, 10, 20, 27272761, 54545522, 109091044, 136363805, 272727610, 545455220]

約数ペア:

[(1, 545455220), (2, 272727610), (4, 136363805), (5, 109091044), (10, 54545522), (20, 27272761)]