2016128560

素因数分解:

$2^4\times 5^1\times {\mathrm{25201607}}^1$

素因数の和:25201620

約数の個数: 20

約数和(自身を含む): 4687499088

約数和(自身を除く): 2671370528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25201607, 50403214, 100806428, 126008035, 201612856, 252016070, 403225712, 504032140, 1008064280, 2016128560]

約数ペア:

[(1, 2016128560), (2, 1008064280), (4, 504032140), (5, 403225712), (8, 252016070), (10, 201612856), (16, 126008035), (20, 100806428), (40, 50403214), (80, 25201607)]