80180905

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{3943}}^1$

素因数の和:4045

約数の個数: 24

約数和(自身を含む): 113303232

約数和(自身を除く): 33122327

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 2905, 3943, 4067, 19715, 20335, 27601, 138005, 193207, 327269, 966035, 1636345, 2290883, 11454415, 16036181, 80180905]

約数ペア:

[(1, 80180905), (5, 16036181), (7, 11454415), (35, 2290883), (49, 1636345), (83, 966035), (245, 327269), (415, 193207), (581, 138005), (2905, 27601), (3943, 20335), (4067, 19715)]