51977040040

素因数分解:

$2^3\times 5^1\times {\mathrm{1299426001}}^1$

素因数の和:1299426012

約数の個数: 16

約数和(自身を含む): 116948340180

約数和(自身を除く): 64971300140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1299426001, 2598852002, 5197704004, 6497130005, 10395408008, 12994260010, 25988520020, 51977040040]

約数ペア:

[(1, 51977040040), (2, 25988520020), (4, 12994260010), (5, 10395408008), (8, 6497130005), (10, 5197704004), (20, 2598852002), (40, 1299426001)]