40320412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 79922304

約数和(自身を除く): 39601892

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 101, 172, 202, 211, 404, 422, 473, 844, 946, 1111, 1892, 2222, 2321, 4343, 4444, 4642, 8686, 9073, 9284, 17372, 18146, 21311, 36292, 42622, 47773, 85244, 95546, 99803, 191092, 199606, 234421, 399212, 468842, 916373, 937684, 1832746, 3665492, 10080103, 20160206, 40320412]

約数ペア:

[(1, 40320412), (2, 20160206), (4, 10080103), (11, 3665492), (22, 1832746), (43, 937684), (44, 916373), (86, 468842), (101, 399212), (172, 234421), (202, 199606), (211, 191092), (404, 99803), (422, 95546), (473, 85244), (844, 47773), (946, 42622), (1111, 36292), (1892, 21311), (2222, 18146), (2321, 17372), (4343, 9284), (4444, 9073), (4642, 8686)]