40664412

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 106586480

約数和(自身を除く): 65922068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 109, 129, 172, 218, 241, 258, 327, 387, 436, 482, 516, 654, 723, 774, 964, 981, 1308, 1446, 1548, 1962, 2169, 2892, 3924, 4338, 4687, 8676, 9374, 10363, 14061, 18748, 20726, 26269, 28122, 31089, 41452, 42183, 52538, 56244, 62178, 78807, 84366, 93267, 105076, 124356, 157614, 168732, 186534, 236421, 315228, 373068, 472842, 945684, 1129567, 2259134, 3388701, 4518268, 6777402, 10166103, 13554804, 20332206, 40664412]

約数ペア:

[(1, 40664412), (2, 20332206), (3, 13554804), (4, 10166103), (6, 6777402), (9, 4518268), (12, 3388701), (18, 2259134), (36, 1129567), (43, 945684), (86, 472842), (109, 373068), (129, 315228), (172, 236421), (218, 186534), (241, 168732), (258, 157614), (327, 124356), (387, 105076), (436, 93267), (482, 84366), (516, 78807), (654, 62178), (723, 56244), (774, 52538), (964, 42183), (981, 41452), (1308, 31089), (1446, 28122), (1548, 26269), (1962, 20726), (2169, 18748), (2892, 14061), (3924, 10363), (4338, 9374), (4687, 8676)]