205124880040

素因数分解:

$2^3\times 5^1\times {\mathrm{5128122001}}^1$

素因数の和:5128122012

約数の個数: 16

約数和(自身を含む): 461530980180

約数和(自身を除く): 256406100140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5128122001, 10256244002, 20512488004, 25640610005, 41024976008, 51281220010, 102562440020, 205124880040]

約数ペア:

[(1, 205124880040), (2, 102562440020), (4, 51281220010), (5, 41024976008), (8, 25640610005), (10, 20512488004), (20, 10256244002), (40, 5128122001)]