42132920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10859}}^1$

素因数の和:10967

約数の個数: 32

約数和(自身を含む): 95785200

約数和(自身を除く): 53652280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 10859, 21718, 43436, 54295, 86872, 108590, 217180, 434360, 1053323, 2106646, 4213292, 5266615, 8426584, 10533230, 21066460, 42132920]

約数ペア:

[(1, 42132920), (2, 21066460), (4, 10533230), (5, 8426584), (8, 5266615), (10, 4213292), (20, 2106646), (40, 1053323), (97, 434360), (194, 217180), (388, 108590), (485, 86872), (776, 54295), (970, 43436), (1940, 21718), (3880, 10859)]