15385960

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1993}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 34815240

約数和(自身を除く): 19429280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 1993, 3860, 3986, 7720, 7972, 9965, 15944, 19930, 39860, 79720, 384649, 769298, 1538596, 1923245, 3077192, 3846490, 7692980, 15385960]

約数ペア:

[(1, 15385960), (2, 7692980), (4, 3846490), (5, 3077192), (8, 1923245), (10, 1538596), (20, 769298), (40, 384649), (193, 79720), (386, 39860), (772, 19930), (965, 15944), (1544, 9965), (1930, 7972), (1993, 7720), (3860, 3986)]