8355620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4591}}^1$

素因数の和:4620

約数の個数: 48

約数和(自身を含む): 21600768

約数和(自身を除く): 13245148

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4591, 9182, 18364, 22955, 32137, 45910, 59683, 64274, 91820, 119366, 128548, 160685, 238732, 298415, 321370, 417781, 596830, 642740, 835562, 1193660, 1671124, 2088905, 4177810, 8355620]

約数ペア:

[(1, 8355620), (2, 4177810), (4, 2088905), (5, 1671124), (7, 1193660), (10, 835562), (13, 642740), (14, 596830), (20, 417781), (26, 321370), (28, 298415), (35, 238732), (52, 160685), (65, 128548), (70, 119366), (91, 91820), (130, 64274), (140, 59683), (182, 45910), (260, 32137), (364, 22955), (455, 18364), (910, 9182), (1820, 4591)]