40638268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 81252864

約数和(自身を除く): 40614596

約数列:

[1, 2, 4, 11, 22, 43, 44, 47, 86, 94, 172, 188, 457, 473, 517, 914, 946, 1034, 1828, 1892, 2021, 2068, 4042, 5027, 8084, 10054, 19651, 20108, 21479, 22231, 39302, 42958, 44462, 78604, 85916, 88924, 216161, 236269, 432322, 472538, 864644, 923597, 945076, 1847194, 3694388, 10159567, 20319134, 40638268]

約数ペア:

[(1, 40638268), (2, 20319134), (4, 10159567), (11, 3694388), (22, 1847194), (43, 945076), (44, 923597), (47, 864644), (86, 472538), (94, 432322), (172, 236269), (188, 216161), (457, 88924), (473, 85916), (517, 78604), (914, 44462), (946, 42958), (1034, 39302), (1828, 22231), (1892, 21479), (2021, 20108), (2068, 19651), (4042, 10054), (5027, 8084)]