161330982040

素因数分解:

$2^3\times 5^1\times {\mathrm{4033274551}}^1$

素因数の和:4033274562

約数の個数: 16

約数和(自身を含む): 362994709680

約数和(自身を除く): 201663727640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4033274551, 8066549102, 16133098204, 20166372755, 32266196408, 40332745510, 80665491020, 161330982040]

約数ペア:

[(1, 161330982040), (2, 80665491020), (4, 40332745510), (5, 32266196408), (8, 20166372755), (10, 16133098204), (20, 8066549102), (40, 4033274551)]