2040775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 2843568

約数和(自身を除く): 802793

約数列:

[1, 5, 11, 25, 41, 55, 181, 205, 275, 451, 905, 1025, 1991, 2255, 4525, 7421, 9955, 11275, 37105, 49775, 81631, 185525, 408155, 2040775]

約数ペア:

[(1, 2040775), (5, 408155), (11, 185525), (25, 81631), (41, 49775), (55, 37105), (181, 11275), (205, 9955), (275, 7421), (451, 4525), (905, 2255), (1025, 1991)]