15679840040

素因数分解:

$2^3\times 5^1\times {\mathrm{391996001}}^1$

素因数の和:391996012

約数の個数: 16

約数和(自身を含む): 35279640180

約数和(自身を除く): 19599800140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 391996001, 783992002, 1567984004, 1959980005, 3135968008, 3919960010, 7839920020, 15679840040]

約数ペア:

[(1, 15679840040), (2, 7839920020), (4, 3919960010), (5, 3135968008), (8, 1959980005), (10, 1567984004), (20, 783992002), (40, 391996001)]