128364650

素因数分解:

$2^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{6277}}^1$

素因数の和:6698

約数の個数: 24

約数和(自身を含む): 239380140

約数和(自身を除く): 111015490

約数列:

[1, 2, 5, 10, 25, 50, 409, 818, 2045, 4090, 6277, 10225, 12554, 20450, 31385, 62770, 156925, 313850, 2567293, 5134586, 12836465, 25672930, 64182325, 128364650]

約数ペア:

[(1, 128364650), (2, 64182325), (5, 25672930), (10, 12836465), (25, 5134586), (50, 2567293), (409, 313850), (818, 156925), (2045, 62770), (4090, 31385), (6277, 20450), (10225, 12554)]