39356080

素因数分解:

$2^4\times 5^1\times {\mathrm{491951}}^1$

素因数の和:491964

約数の個数: 20

約数和(自身を含む): 91503072

約数和(自身を除く): 52146992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491951, 983902, 1967804, 2459755, 3935608, 4919510, 7871216, 9839020, 19678040, 39356080]

約数ペア:

[(1, 39356080), (2, 19678040), (4, 9839020), (5, 7871216), (8, 4919510), (10, 3935608), (16, 2459755), (20, 1967804), (40, 983902), (80, 491951)]