133116080

素因数分解:

$2^4\times 5^1\times {\mathrm{1663951}}^1$

素因数の和:1663964

約数の個数: 20

約数和(自身を含む): 309495072

約数和(自身を除く): 176378992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1663951, 3327902, 6655804, 8319755, 13311608, 16639510, 26623216, 33279020, 66558040, 133116080]

約数ペア:

[(1, 133116080), (2, 66558040), (4, 33279020), (5, 26623216), (8, 16639510), (10, 13311608), (16, 8319755), (20, 6655804), (40, 3327902), (80, 1663951)]