79825960

素因数分解:

$2^3\times 5^1\times {\mathrm{1995649}}^1$

素因数の和:1995660

約数の個数: 16

約数和(自身を含む): 179608500

約数和(自身を除く): 99782540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1995649, 3991298, 7982596, 9978245, 15965192, 19956490, 39912980, 79825960]

約数ペア:

[(1, 79825960), (2, 39912980), (4, 19956490), (5, 15965192), (8, 9978245), (10, 7982596), (20, 3991298), (40, 1995649)]