80863840

素因数分解:

$2^5\times 5^1\times {\mathrm{505399}}^1$

素因数の和:505414

約数の個数: 24

約数和(自身を含む): 191041200

約数和(自身を除く): 110177360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 505399, 1010798, 2021596, 2526995, 4043192, 5053990, 8086384, 10107980, 16172768, 20215960, 40431920, 80863840]

約数ペア:

[(1, 80863840), (2, 40431920), (4, 20215960), (5, 16172768), (8, 10107980), (10, 8086384), (16, 5053990), (20, 4043192), (32, 2526995), (40, 2021596), (80, 1010798), (160, 505399)]