81029120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 200196360

約数和(自身を除く): 119167240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 193, 205, 256, 320, 328, 386, 410, 512, 640, 656, 772, 820, 965, 1024, 1280, 1312, 1544, 1640, 1930, 2048, 2560, 2624, 3088, 3280, 3860, 5120, 5248, 6176, 6560, 7720, 7913, 10240, 10496, 12352, 13120, 15440, 15826, 20992, 24704, 26240, 30880, 31652, 39565, 41984, 49408, 52480, 61760, 63304, 79130, 83968, 98816, 104960, 123520, 126608, 158260, 197632, 209920, 247040, 253216, 316520, 395264, 419840, 494080, 506432, 633040, 988160, 1012864, 1266080, 1976320, 2025728, 2532160, 4051456, 5064320, 8102912, 10128640, 16205824, 20257280, 40514560, 81029120]

約数ペア:

[(1, 81029120), (2, 40514560), (4, 20257280), (5, 16205824), (8, 10128640), (10, 8102912), (16, 5064320), (20, 4051456), (32, 2532160), (40, 2025728), (41, 1976320), (64, 1266080), (80, 1012864), (82, 988160), (128, 633040), (160, 506432), (164, 494080), (193, 419840), (205, 395264), (256, 316520), (320, 253216), (328, 247040), (386, 209920), (410, 197632), (512, 158260), (640, 126608), (656, 123520), (772, 104960), (820, 98816), (965, 83968), (1024, 79130), (1280, 63304), (1312, 61760), (1544, 52480), (1640, 49408), (1930, 41984), (2048, 39565), (2560, 31652), (2624, 30880), (3088, 26240), (3280, 24704), (3860, 20992), (5120, 15826), (5248, 15440), (6176, 13120), (6560, 12352), (7720, 10496), (7913, 10240)]