39252880

素因数分解:

$2^4\times 5^1\times {\mathrm{490661}}^1$

素因数の和:490674

約数の個数: 20

約数和(自身を含む): 91263132

約数和(自身を除く): 52010252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490661, 981322, 1962644, 2453305, 3925288, 4906610, 7850576, 9813220, 19626440, 39252880]

約数ペア:

[(1, 39252880), (2, 19626440), (4, 9813220), (5, 7850576), (8, 4906610), (10, 3925288), (16, 2453305), (20, 1962644), (40, 981322), (80, 490661)]