39947776

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 80

約数和(自身を含む): 89713008

約数和(自身を除く): 49765232

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 128, 164, 173, 176, 256, 328, 346, 352, 451, 512, 656, 692, 704, 902, 1312, 1384, 1408, 1804, 1903, 2624, 2768, 2816, 3608, 3806, 5248, 5536, 5632, 7093, 7216, 7612, 10496, 11072, 14186, 14432, 15224, 20992, 22144, 28372, 28864, 30448, 44288, 56744, 57728, 60896, 78023, 88576, 113488, 115456, 121792, 156046, 226976, 230912, 243584, 312092, 453952, 487168, 624184, 907904, 974336, 1248368, 1815808, 2496736, 3631616, 4993472, 9986944, 19973888, 39947776]

約数ペア:

[(1, 39947776), (2, 19973888), (4, 9986944), (8, 4993472), (11, 3631616), (16, 2496736), (22, 1815808), (32, 1248368), (41, 974336), (44, 907904), (64, 624184), (82, 487168), (88, 453952), (128, 312092), (164, 243584), (173, 230912), (176, 226976), (256, 156046), (328, 121792), (346, 115456), (352, 113488), (451, 88576), (512, 78023), (656, 60896), (692, 57728), (704, 56744), (902, 44288), (1312, 30448), (1384, 28864), (1408, 28372), (1804, 22144), (1903, 20992), (2624, 15224), (2768, 14432), (2816, 14186), (3608, 11072), (3806, 10496), (5248, 7612), (5536, 7216), (5632, 7093)]