2017204240

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{259949}}^1$

素因数の和:260059

約数の個数: 40

約数和(自身を含む): 4738368600

約数和(自身を除く): 2721164360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 259949, 519898, 1039796, 1299745, 2079592, 2599490, 4159184, 5198980, 10397960, 20795920, 25215053, 50430106, 100860212, 126075265, 201720424, 252150530, 403440848, 504301060, 1008602120, 2017204240]

約数ペア:

[(1, 2017204240), (2, 1008602120), (4, 504301060), (5, 403440848), (8, 252150530), (10, 201720424), (16, 126075265), (20, 100860212), (40, 50430106), (80, 25215053), (97, 20795920), (194, 10397960), (388, 5198980), (485, 4159184), (776, 2599490), (970, 2079592), (1552, 1299745), (1940, 1039796), (3880, 519898), (7760, 259949)]