28948480

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 76068720

約数和(自身を除く): 47120240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 257, 320, 352, 440, 512, 514, 640, 704, 880, 1024, 1028, 1280, 1285, 1408, 1760, 2048, 2056, 2560, 2570, 2816, 2827, 3520, 4112, 5120, 5140, 5632, 5654, 7040, 8224, 10240, 10280, 11264, 11308, 14080, 14135, 16448, 20560, 22528, 22616, 28160, 28270, 32896, 41120, 45232, 56320, 56540, 65792, 82240, 90464, 112640, 113080, 131584, 164480, 180928, 226160, 263168, 328960, 361856, 452320, 526336, 657920, 723712, 904640, 1315840, 1447424, 1809280, 2631680, 2894848, 3618560, 5789696, 7237120, 14474240, 28948480]

約数ペア:

[(1, 28948480), (2, 14474240), (4, 7237120), (5, 5789696), (8, 3618560), (10, 2894848), (11, 2631680), (16, 1809280), (20, 1447424), (22, 1315840), (32, 904640), (40, 723712), (44, 657920), (55, 526336), (64, 452320), (80, 361856), (88, 328960), (110, 263168), (128, 226160), (160, 180928), (176, 164480), (220, 131584), (256, 113080), (257, 112640), (320, 90464), (352, 82240), (440, 65792), (512, 56540), (514, 56320), (640, 45232), (704, 41120), (880, 32896), (1024, 28270), (1028, 28160), (1280, 22616), (1285, 22528), (1408, 20560), (1760, 16448), (2048, 14135), (2056, 14080), (2560, 11308), (2570, 11264), (2816, 10280), (2827, 10240), (3520, 8224), (4112, 7040), (5120, 5654), (5140, 5632)]