127353320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{30911}}^1$

素因数の和:31025

約数の個数: 32

約数和(自身を含む): 289336320

約数和(自身を除く): 161983000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 30911, 61822, 123644, 154555, 247288, 309110, 618220, 1236440, 3183833, 6367666, 12735332, 15919165, 25470664, 31838330, 63676660, 127353320]

約数ペア:

[(1, 127353320), (2, 63676660), (4, 31838330), (5, 25470664), (8, 15919165), (10, 12735332), (20, 6367666), (40, 3183833), (103, 1236440), (206, 618220), (412, 309110), (515, 247288), (824, 154555), (1030, 123644), (2060, 61822), (4120, 30911)]