80639390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{620303}}^1$

素因数の和:620323

約数の個数: 16

約数和(自身を含む): 156316608

約数和(自身を除く): 75677218

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 620303, 1240606, 3101515, 6203030, 8063939, 16127878, 40319695, 80639390]

約数ペア:

[(1, 80639390), (2, 40319695), (5, 16127878), (10, 8063939), (13, 6203030), (26, 3101515), (65, 1240606), (130, 620303)]