39636920

素因数分解:

$2^3\times 5^1\times {\mathrm{990923}}^1$

素因数の和:990934

約数の個数: 16

約数和(自身を含む): 89183160

約数和(自身を除く): 49546240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 990923, 1981846, 3963692, 4954615, 7927384, 9909230, 19818460, 39636920]

約数ペア:

[(1, 39636920), (2, 19818460), (4, 9909230), (5, 7927384), (8, 4954615), (10, 3963692), (20, 1981846), (40, 990923)]