1283132020

素因数分解:

$2^2\times 5^1\times {\mathrm{64156601}}^1$

素因数の和:64156610

約数の個数: 12

約数和(自身を含む): 2694577284

約数和(自身を除く): 1411445264

約数列:

[1, 2, 4, 5, 10, 20, 64156601, 128313202, 256626404, 320783005, 641566010, 1283132020]

約数ペア:

[(1, 1283132020), (2, 641566010), (4, 320783005), (5, 256626404), (10, 128313202), (20, 64156601)]