80990390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{623003}}^1$

素因数の和:623023

約数の個数: 16

約数和(自身を含む): 156997008

約数和(自身を除く): 76006618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 623003, 1246006, 3115015, 6230030, 8099039, 16198078, 40495195, 80990390]

約数ペア:

[(1, 80990390), (2, 40495195), (5, 16198078), (10, 8099039), (13, 6230030), (26, 3115015), (65, 1246006), (130, 623003)]