38692820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17749}}^1$

素因数の和:17867

約数の個数: 24

約数和(自身を含む): 82005000

約数和(自身を除く): 43312180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 17749, 35498, 70996, 88745, 177490, 354980, 1934641, 3869282, 7738564, 9673205, 19346410, 38692820]

約数ペア:

[(1, 38692820), (2, 19346410), (4, 9673205), (5, 7738564), (10, 3869282), (20, 1934641), (109, 354980), (218, 177490), (436, 88745), (545, 70996), (1090, 35498), (2180, 17749)]