2040604805

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1\times {\mathrm{5281}}^1$

素因数の和:6104

約数の個数: 16

約数和(自身を含む): 2475145200

約数和(自身を除く): 434540395

約数列:

[1, 5, 109, 545, 709, 3545, 5281, 26405, 77281, 386405, 575629, 2878145, 3744229, 18721145, 408120961, 2040604805]

約数ペア:

[(1, 2040604805), (5, 408120961), (109, 18721145), (545, 3744229), (709, 2878145), (3545, 575629), (5281, 386405), (26405, 77281)]