86920040

素因数分解:

$2^3\times 5^1\times {\mathrm{2173001}}^1$

素因数の和:2173012

約数の個数: 16

約数和(自身を含む): 195570180

約数和(自身を除く): 108650140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2173001, 4346002, 8692004, 10865005, 17384008, 21730010, 43460020, 86920040]

約数ペア:

[(1, 86920040), (2, 43460020), (4, 21730010), (5, 17384008), (8, 10865005), (10, 8692004), (20, 4346002), (40, 2173001)]