85754840

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6763}}^1$

素因数の和:7091

約数の個数: 32

約数和(自身を含む): 193585680

約数和(自身を除く): 107830840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 6763, 12680, 13526, 27052, 33815, 54104, 67630, 135260, 270520, 2143871, 4287742, 8575484, 10719355, 17150968, 21438710, 42877420, 85754840]

約数ペア:

[(1, 85754840), (2, 42877420), (4, 21438710), (5, 17150968), (8, 10719355), (10, 8575484), (20, 4287742), (40, 2143871), (317, 270520), (634, 135260), (1268, 67630), (1585, 54104), (2536, 33815), (3170, 27052), (6340, 13526), (6763, 12680)]