25742896

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 30824912

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 43, 62, 68, 71, 86, 124, 136, 142, 172, 248, 272, 284, 344, 496, 527, 568, 688, 731, 1054, 1136, 1207, 1333, 1462, 2108, 2201, 2414, 2666, 2924, 3053, 4216, 4402, 4828, 5332, 5848, 6106, 8432, 8804, 9656, 10664, 11696, 12212, 17608, 19312, 21328, 22661, 24424, 35216, 37417, 45322, 48848, 51901, 74834, 90644, 94643, 103802, 149668, 181288, 189286, 207604, 299336, 362576, 378572, 415208, 598672, 757144, 830416, 1514288, 1608931, 3217862, 6435724, 12871448, 25742896]

約数ペア:

[(1, 25742896), (2, 12871448), (4, 6435724), (8, 3217862), (16, 1608931), (17, 1514288), (31, 830416), (34, 757144), (43, 598672), (62, 415208), (68, 378572), (71, 362576), (86, 299336), (124, 207604), (136, 189286), (142, 181288), (172, 149668), (248, 103802), (272, 94643), (284, 90644), (344, 74834), (496, 51901), (527, 48848), (568, 45322), (688, 37417), (731, 35216), (1054, 24424), (1136, 22661), (1207, 21328), (1333, 19312), (1462, 17608), (2108, 12212), (2201, 11696), (2414, 10664), (2666, 9656), (2924, 8804), (3053, 8432), (4216, 6106), (4402, 5848), (4828, 5332)]