26804960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 144

約数和(自身を含む): 79634016

約数和(自身を除く): 52829056

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 263, 280, 364, 392, 416, 455, 490, 520, 526, 560, 637, 728, 784, 910, 980, 1040, 1052, 1120, 1274, 1315, 1456, 1568, 1820, 1841, 1960, 2080, 2104, 2548, 2630, 2912, 3185, 3419, 3640, 3682, 3920, 4208, 5096, 5260, 6370, 6838, 7280, 7364, 7840, 8416, 9205, 10192, 10520, 12740, 12887, 13676, 14560, 14728, 17095, 18410, 20384, 21040, 23933, 25480, 25774, 27352, 29456, 34190, 36820, 42080, 47866, 50960, 51548, 54704, 58912, 64435, 68380, 73640, 95732, 101920, 103096, 109408, 119665, 128870, 136760, 147280, 167531, 191464, 206192, 239330, 257740, 273520, 294560, 335062, 382928, 412384, 478660, 515480, 547040, 670124, 765856, 837655, 957320, 1030960, 1340248, 1675310, 1914640, 2061920, 2680496, 3350620, 3829280, 5360992, 6701240, 13402480, 26804960]

約数ペア:

[(1, 26804960), (2, 13402480), (4, 6701240), (5, 5360992), (7, 3829280), (8, 3350620), (10, 2680496), (13, 2061920), (14, 1914640), (16, 1675310), (20, 1340248), (26, 1030960), (28, 957320), (32, 837655), (35, 765856), (40, 670124), (49, 547040), (52, 515480), (56, 478660), (65, 412384), (70, 382928), (80, 335062), (91, 294560), (98, 273520), (104, 257740), (112, 239330), (130, 206192), (140, 191464), (160, 167531), (182, 147280), (196, 136760), (208, 128870), (224, 119665), (245, 109408), (260, 103096), (263, 101920), (280, 95732), (364, 73640), (392, 68380), (416, 64435), (455, 58912), (490, 54704), (520, 51548), (526, 50960), (560, 47866), (637, 42080), (728, 36820), (784, 34190), (910, 29456), (980, 27352), (1040, 25774), (1052, 25480), (1120, 23933), (1274, 21040), (1315, 20384), (1456, 18410), (1568, 17095), (1820, 14728), (1841, 14560), (1960, 13676), (2080, 12887), (2104, 12740), (2548, 10520), (2630, 10192), (2912, 9205), (3185, 8416), (3419, 7840), (3640, 7364), (3682, 7280), (3920, 6838), (4208, 6370), (5096, 5260)]