80720744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{881}}^2$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 163179030

約数和(自身を除く): 82458286

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 881, 1762, 3524, 7048, 11453, 22906, 45812, 91624, 776161, 1552322, 3104644, 6209288, 10090093, 20180186, 40360372, 80720744]

約数ペア:

[(1, 80720744), (2, 40360372), (4, 20180186), (8, 10090093), (13, 6209288), (26, 3104644), (52, 1552322), (104, 776161), (881, 91624), (1762, 45812), (3524, 22906), (7048, 11453)]