16201608880

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{5273}}^1$

素因数の和:5678

約数の個数: 80

約数和(自身を含む): 38061403200

約数和(自身を除く): 21859794320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 199, 386, 398, 772, 796, 965, 995, 1544, 1592, 1930, 1990, 3088, 3184, 3860, 3980, 5273, 7720, 7960, 10546, 15440, 15920, 21092, 26365, 38407, 42184, 52730, 76814, 84368, 105460, 153628, 192035, 210920, 307256, 384070, 421840, 614512, 768140, 1017689, 1049327, 1536280, 2035378, 2098654, 3072560, 4070756, 4197308, 5088445, 5246635, 8141512, 8394616, 10176890, 10493270, 16283024, 16789232, 20353780, 20986540, 40707560, 41973080, 81415120, 83946160, 202520111, 405040222, 810080444, 1012600555, 1620160888, 2025201110, 3240321776, 4050402220, 8100804440, 16201608880]

約数ペア:

[(1, 16201608880), (2, 8100804440), (4, 4050402220), (5, 3240321776), (8, 2025201110), (10, 1620160888), (16, 1012600555), (20, 810080444), (40, 405040222), (80, 202520111), (193, 83946160), (199, 81415120), (386, 41973080), (398, 40707560), (772, 20986540), (796, 20353780), (965, 16789232), (995, 16283024), (1544, 10493270), (1592, 10176890), (1930, 8394616), (1990, 8141512), (3088, 5246635), (3184, 5088445), (3860, 4197308), (3980, 4070756), (5273, 3072560), (7720, 2098654), (7960, 2035378), (10546, 1536280), (15440, 1049327), (15920, 1017689), (21092, 768140), (26365, 614512), (38407, 421840), (42184, 384070), (52730, 307256), (76814, 210920), (84368, 192035), (105460, 153628)]