82565720

素因数分解:

$2^3\times 5^1\times {\mathrm{2064143}}^1$

素因数の和:2064154

約数の個数: 16

約数和(自身を含む): 185772960

約数和(自身を除く): 103207240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2064143, 4128286, 8256572, 10320715, 16513144, 20641430, 41282860, 82565720]

約数ペア:

[(1, 82565720), (2, 41282860), (4, 20641430), (5, 16513144), (8, 10320715), (10, 8256572), (20, 4128286), (40, 2064143)]