20802471920

素因数分解:

$2^4\times 5^1\times {\mathrm{260030899}}^1$

素因数の和:260030912

約数の個数: 20

約数和(自身を含む): 48365747400

約数和(自身を除く): 27563275480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 260030899, 520061798, 1040123596, 1300154495, 2080247192, 2600308990, 4160494384, 5200617980, 10401235960, 20802471920]

約数ペア:

[(1, 20802471920), (2, 10401235960), (4, 5200617980), (5, 4160494384), (8, 2600308990), (10, 2080247192), (16, 1300154495), (20, 1040123596), (40, 520061798), (80, 260030899)]