82064560

素因数分解:

$2^4\times 5^1\times {\mathrm{1025807}}^1$

素因数の和:1025820

約数の個数: 20

約数和(自身を含む): 190800288

約数和(自身を除く): 108735728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1025807, 2051614, 4103228, 5129035, 8206456, 10258070, 16412912, 20516140, 41032280, 82064560]

約数ペア:

[(1, 82064560), (2, 41032280), (4, 20516140), (5, 16412912), (8, 10258070), (10, 8206456), (16, 5129035), (20, 4103228), (40, 2051614), (80, 1025807)]