2040555005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1\times {\mathrm{5081}}^1$

素因数の和:7708

約数の個数: 16

約数和(自身を含む): 2529128448

約数和(自身を除く): 488573443

約数列:

[1, 5, 31, 155, 2591, 5081, 12955, 25405, 80321, 157511, 401605, 787555, 13164871, 65824355, 408111001, 2040555005]

約数ペア:

[(1, 2040555005), (5, 408111001), (31, 65824355), (155, 13164871), (2591, 787555), (5081, 401605), (12955, 157511), (25405, 80321)]