81500672

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:557

約数の個数: 80

約数和(自身を含む): 184140000

約数和(自身を除く): 102639328

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 256, 319, 352, 464, 499, 512, 638, 704, 928, 998, 1276, 1408, 1856, 1996, 2552, 2816, 3712, 3992, 5104, 5489, 5632, 7424, 7984, 10208, 10978, 14471, 14848, 15968, 20416, 21956, 28942, 31936, 40832, 43912, 57884, 63872, 81664, 87824, 115768, 127744, 159181, 163328, 175648, 231536, 255488, 318362, 351296, 463072, 636724, 702592, 926144, 1273448, 1405184, 1852288, 2546896, 2810368, 3704576, 5093792, 7409152, 10187584, 20375168, 40750336, 81500672]

約数ペア:

[(1, 81500672), (2, 40750336), (4, 20375168), (8, 10187584), (11, 7409152), (16, 5093792), (22, 3704576), (29, 2810368), (32, 2546896), (44, 1852288), (58, 1405184), (64, 1273448), (88, 926144), (116, 702592), (128, 636724), (176, 463072), (232, 351296), (256, 318362), (319, 255488), (352, 231536), (464, 175648), (499, 163328), (512, 159181), (638, 127744), (704, 115768), (928, 87824), (998, 81664), (1276, 63872), (1408, 57884), (1856, 43912), (1996, 40832), (2552, 31936), (2816, 28942), (3712, 21956), (3992, 20416), (5104, 15968), (5489, 14848), (5632, 14471), (7424, 10978), (7984, 10208)]