520075880

素因数分解:

$2^3\times 5^1\times {\mathrm{13001897}}^1$

素因数の和:13001908

約数の個数: 16

約数和(自身を含む): 1170170820

約数和(自身を除く): 650094940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13001897, 26003794, 52007588, 65009485, 104015176, 130018970, 260037940, 520075880]

約数ペア:

[(1, 520075880), (2, 260037940), (4, 130018970), (5, 104015176), (8, 65009485), (10, 52007588), (20, 26003794), (40, 13001897)]