4078902680

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{101063}}^1$

素因数の和:102083

約数の個数: 32

約数和(自身を含む): 9186717600

約数和(自身を除く): 5107814920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 4036, 5045, 8072, 10090, 20180, 40360, 101063, 202126, 404252, 505315, 808504, 1010630, 2021260, 4042520, 101972567, 203945134, 407890268, 509862835, 815780536, 1019725670, 2039451340, 4078902680]

約数ペア:

[(1, 4078902680), (2, 2039451340), (4, 1019725670), (5, 815780536), (8, 509862835), (10, 407890268), (20, 203945134), (40, 101972567), (1009, 4042520), (2018, 2021260), (4036, 1010630), (5045, 808504), (8072, 505315), (10090, 404252), (20180, 202126), (40360, 101063)]