6636440

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 15014160

約数和(自身を除く): 8377720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 661, 1004, 1255, 1322, 2008, 2510, 2644, 3305, 5020, 5288, 6610, 10040, 13220, 26440, 165911, 331822, 663644, 829555, 1327288, 1659110, 3318220, 6636440]

約数ペア:

[(1, 6636440), (2, 3318220), (4, 1659110), (5, 1327288), (8, 829555), (10, 663644), (20, 331822), (40, 165911), (251, 26440), (502, 13220), (661, 10040), (1004, 6610), (1255, 5288), (1322, 5020), (2008, 3305), (2510, 2644)]