3960680

素因数分解:

$2^3\times 5^1\times {\mathrm{99017}}^1$

素因数の和:99028

約数の個数: 16

約数和(自身を含む): 8911620

約数和(自身を除く): 4950940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99017, 198034, 396068, 495085, 792136, 990170, 1980340, 3960680]

約数ペア:

[(1, 3960680), (2, 1980340), (4, 990170), (5, 792136), (8, 495085), (10, 396068), (20, 198034), (40, 99017)]