3899960

素因数分解:

$2^3\times 5^1\times {\mathrm{97499}}^1$

素因数の和:97510

約数の個数: 16

約数和(自身を含む): 8775000

約数和(自身を除く): 4875040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97499, 194998, 389996, 487495, 779992, 974990, 1949980, 3899960]

約数ペア:

[(1, 3899960), (2, 1949980), (4, 974990), (5, 779992), (8, 487495), (10, 389996), (20, 194998), (40, 97499)]