8680040

素因数分解:

$2^3\times 5^1\times {\mathrm{217001}}^1$

素因数の和:217012

約数の個数: 16

約数和(自身を含む): 19530180

約数和(自身を除く): 10850140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 217001, 434002, 868004, 1085005, 1736008, 2170010, 4340020, 8680040]

約数ペア:

[(1, 8680040), (2, 4340020), (4, 2170010), (5, 1736008), (8, 1085005), (10, 868004), (20, 434002), (40, 217001)]