85755760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 206924256

約数和(自身を除く): 121168496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 97, 172, 194, 215, 257, 344, 388, 430, 485, 514, 688, 776, 860, 970, 1028, 1285, 1552, 1720, 1940, 2056, 2570, 3440, 3880, 4112, 4171, 5140, 7760, 8342, 10280, 11051, 16684, 20560, 20855, 22102, 24929, 33368, 41710, 44204, 49858, 55255, 66736, 83420, 88408, 99716, 110510, 124645, 166840, 176816, 199432, 221020, 249290, 333680, 398864, 442040, 498580, 884080, 997160, 1071947, 1994320, 2143894, 4287788, 5359735, 8575576, 10719470, 17151152, 21438940, 42877880, 85755760]

約数ペア:

[(1, 85755760), (2, 42877880), (4, 21438940), (5, 17151152), (8, 10719470), (10, 8575576), (16, 5359735), (20, 4287788), (40, 2143894), (43, 1994320), (80, 1071947), (86, 997160), (97, 884080), (172, 498580), (194, 442040), (215, 398864), (257, 333680), (344, 249290), (388, 221020), (430, 199432), (485, 176816), (514, 166840), (688, 124645), (776, 110510), (860, 99716), (970, 88408), (1028, 83420), (1285, 66736), (1552, 55255), (1720, 49858), (1940, 44204), (2056, 41710), (2570, 33368), (3440, 24929), (3880, 22102), (4112, 20855), (4171, 20560), (5140, 16684), (7760, 11051), (8342, 10280)]