84431920

素因数分解:

$2^4\times 5^1\times {\mathrm{1055399}}^1$

素因数の和:1055412

約数の個数: 20

約数和(自身を含む): 196304400

約数和(自身を除く): 111872480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1055399, 2110798, 4221596, 5276995, 8443192, 10553990, 16886384, 21107980, 42215960, 84431920]

約数ペア:

[(1, 84431920), (2, 42215960), (4, 21107980), (5, 16886384), (8, 10553990), (10, 8443192), (16, 5276995), (20, 4221596), (40, 2110798), (80, 1055399)]