80862640

素因数分解:

$2^4\times 5^1\times {\mathrm{1010783}}^1$

素因数の和:1010796

約数の個数: 20

約数和(自身を含む): 188005824

約数和(自身を除く): 107143184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1010783, 2021566, 4043132, 5053915, 8086264, 10107830, 16172528, 20215660, 40431320, 80862640]

約数ペア:

[(1, 80862640), (2, 40431320), (4, 20215660), (5, 16172528), (8, 10107830), (10, 8086264), (16, 5053915), (20, 4043132), (40, 2021566), (80, 1010783)]