2040964145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{205019}}^1$

素因数の和:205216

約数の個数: 16

約数和(自身を含む): 2686582080

約数和(自身を除く): 645617935

約数列:

[1, 5, 11, 55, 181, 905, 1991, 9955, 205019, 1025095, 2255209, 11276045, 37108439, 185542195, 408192829, 2040964145]

約数ペア:

[(1, 2040964145), (5, 408192829), (11, 185542195), (55, 37108439), (181, 11276045), (905, 2255209), (1991, 1025095), (9955, 205019)]