28610360090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220079693}}^1$

素因数の和:220079713

約数の個数: 16

約数和(自身を含む): 55460082888

約数和(自身を除く): 26849722798

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220079693, 440159386, 1100398465, 2200796930, 2861036009, 5722072018, 14305180045, 28610360090]

約数ペア:

[(1, 28610360090), (2, 14305180045), (5, 5722072018), (10, 2861036009), (13, 2200796930), (26, 1100398465), (65, 440159386), (130, 220079693)]