8720231390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67078703}}^1$

素因数の和:67078723

約数の個数: 16

約数和(自身を含む): 16903833408

約数和(自身を除く): 8183602018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 67078703, 134157406, 335393515, 670787030, 872023139, 1744046278, 4360115695, 8720231390]

約数ペア:

[(1, 8720231390), (2, 4360115695), (5, 1744046278), (10, 872023139), (13, 670787030), (26, 335393515), (65, 134157406), (130, 67078703)]