16725680

素因数分解:

$2^4\times 5^1\times {\mathrm{209071}}^1$

素因数の和:209084

約数の個数: 20

約数和(自身を含む): 38887392

約数和(自身を除く): 22161712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 209071, 418142, 836284, 1045355, 1672568, 2090710, 3345136, 4181420, 8362840, 16725680]

約数ペア:

[(1, 16725680), (2, 8362840), (4, 4181420), (5, 3345136), (8, 2090710), (10, 1672568), (16, 1045355), (20, 836284), (40, 418142), (80, 209071)]