39167720

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4391}}^1$

素因数の和:4625

約数の個数: 32

約数和(自身を含む): 88542720

約数和(自身を除く): 49375000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4391, 4460, 8782, 8920, 17564, 21955, 35128, 43910, 87820, 175640, 979193, 1958386, 3916772, 4895965, 7833544, 9791930, 19583860, 39167720]

約数ペア:

[(1, 39167720), (2, 19583860), (4, 9791930), (5, 7833544), (8, 4895965), (10, 3916772), (20, 1958386), (40, 979193), (223, 175640), (446, 87820), (892, 43910), (1115, 35128), (1784, 21955), (2230, 17564), (4391, 8920), (4460, 8782)]