80810560

素因数分解:

$2^6\times 5^1\times {\mathrm{252533}}^1$

素因数の和:252550

約数の個数: 28

約数和(自身を含む): 192430908

約数和(自身を除く): 111620348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 252533, 505066, 1010132, 1262665, 2020264, 2525330, 4040528, 5050660, 8081056, 10101320, 16162112, 20202640, 40405280, 80810560]

約数ペア:

[(1, 80810560), (2, 40405280), (4, 20202640), (5, 16162112), (8, 10101320), (10, 8081056), (16, 5050660), (20, 4040528), (32, 2525330), (40, 2020264), (64, 1262665), (80, 1010132), (160, 505066), (320, 252533)]