80257960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{29947}}^1$

素因数の和:30025

約数の個数: 32

約数和(自身を含む): 183281760

約数和(自身を除く): 103023800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 29947, 59894, 119788, 149735, 239576, 299470, 598940, 1197880, 2006449, 4012898, 8025796, 10032245, 16051592, 20064490, 40128980, 80257960]

約数ペア:

[(1, 80257960), (2, 40128980), (4, 20064490), (5, 16051592), (8, 10032245), (10, 8025796), (20, 4012898), (40, 2006449), (67, 1197880), (134, 598940), (268, 299470), (335, 239576), (536, 149735), (670, 119788), (1340, 59894), (2680, 29947)]