40961788

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 86704128

約数和(自身を除く): 45742340

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 62, 82, 124, 164, 217, 287, 434, 574, 868, 1148, 1151, 1271, 2302, 2542, 4604, 5084, 8057, 8897, 16114, 17794, 32228, 35588, 35681, 47191, 71362, 94382, 142724, 188764, 249767, 330337, 499534, 660674, 999068, 1321348, 1462921, 2925842, 5851684, 10240447, 20480894, 40961788]

約数ペア:

[(1, 40961788), (2, 20480894), (4, 10240447), (7, 5851684), (14, 2925842), (28, 1462921), (31, 1321348), (41, 999068), (62, 660674), (82, 499534), (124, 330337), (164, 249767), (217, 188764), (287, 142724), (434, 94382), (574, 71362), (868, 47191), (1148, 35681), (1151, 35588), (1271, 32228), (2302, 17794), (2542, 16114), (4604, 8897), (5084, 8057)]