195977880040

素因数分解:

$2^3\times 5^1\times {\mathrm{4899447001}}^1$

素因数の和:4899447012

約数の個数: 16

約数和(自身を含む): 440950230180

約数和(自身を除く): 244972350140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4899447001, 9798894002, 19597788004, 24497235005, 39195576008, 48994470010, 97988940020, 195977880040]

約数ペア:

[(1, 195977880040), (2, 97988940020), (4, 48994470010), (5, 39195576008), (8, 24497235005), (10, 19597788004), (20, 9798894002), (40, 4899447001)]