317156920

素因数分解:

$2^3\times 5^1\times {\mathrm{7928923}}^1$

素因数の和:7928934

約数の個数: 16

約数和(自身を含む): 713603160

約数和(自身を除く): 396446240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7928923, 15857846, 31715692, 39644615, 63431384, 79289230, 158578460, 317156920]

約数ペア:

[(1, 317156920), (2, 158578460), (4, 79289230), (5, 63431384), (8, 39644615), (10, 31715692), (20, 15857846), (40, 7928923)]