80809640

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6373}}^1$

素因数の和:6701

約数の個数: 32

約数和(自身を含む): 182423880

約数和(自身を除く): 101614240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 6373, 12680, 12746, 25492, 31865, 50984, 63730, 127460, 254920, 2020241, 4040482, 8080964, 10101205, 16161928, 20202410, 40404820, 80809640]

約数ペア:

[(1, 80809640), (2, 40404820), (4, 20202410), (5, 16161928), (8, 10101205), (10, 8080964), (20, 4040482), (40, 2020241), (317, 254920), (634, 127460), (1268, 63730), (1585, 50984), (2536, 31865), (3170, 25492), (6340, 12746), (6373, 12680)]