2051270390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15779003}}^1$

素因数の和:15779023

約数の個数: 16

約数和(自身を含む): 3976309008

約数和(自身を除く): 1925038618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15779003, 31558006, 78895015, 157790030, 205127039, 410254078, 1025635195, 2051270390]

約数ペア:

[(1, 2051270390), (2, 1025635195), (5, 410254078), (10, 205127039), (13, 157790030), (26, 78895015), (65, 31558006), (130, 15779003)]