40872328

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 91445760

約数和(自身を除く): 50573432

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 53, 56, 94, 106, 188, 212, 293, 329, 371, 376, 424, 586, 658, 742, 1172, 1316, 1484, 2051, 2344, 2491, 2632, 2968, 4102, 4982, 8204, 9964, 13771, 15529, 16408, 17437, 19928, 27542, 31058, 34874, 55084, 62116, 69748, 96397, 108703, 110168, 124232, 139496, 192794, 217406, 385588, 434812, 729863, 771176, 869624, 1459726, 2919452, 5109041, 5838904, 10218082, 20436164, 40872328]

約数ペア:

[(1, 40872328), (2, 20436164), (4, 10218082), (7, 5838904), (8, 5109041), (14, 2919452), (28, 1459726), (47, 869624), (53, 771176), (56, 729863), (94, 434812), (106, 385588), (188, 217406), (212, 192794), (293, 139496), (329, 124232), (371, 110168), (376, 108703), (424, 96397), (586, 69748), (658, 62116), (742, 55084), (1172, 34874), (1316, 31058), (1484, 27542), (2051, 19928), (2344, 17437), (2491, 16408), (2632, 15529), (2968, 13771), (4102, 9964), (4982, 8204)]