1118525080

素因数分解:

$2^3\times 5^1\times {\mathrm{27963127}}^1$

素因数の和:27963138

約数の個数: 16

約数和(自身を含む): 2516681520

約数和(自身を除く): 1398156440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 27963127, 55926254, 111852508, 139815635, 223705016, 279631270, 559262540, 1118525080]

約数ペア:

[(1, 1118525080), (2, 559262540), (4, 279631270), (5, 223705016), (8, 139815635), (10, 111852508), (20, 55926254), (40, 27963127)]