26801320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 76608000

約数和(自身を除く): 49806680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 199, 259, 260, 280, 296, 364, 370, 398, 455, 481, 518, 520, 728, 740, 796, 910, 962, 995, 1036, 1295, 1393, 1480, 1592, 1820, 1924, 1990, 2072, 2405, 2587, 2590, 2786, 3367, 3640, 3848, 3980, 4810, 5174, 5180, 5572, 6734, 6965, 7363, 7960, 9620, 10348, 10360, 11144, 12935, 13468, 13930, 14726, 16835, 18109, 19240, 20696, 25870, 26936, 27860, 29452, 33670, 36218, 36815, 51541, 51740, 55720, 58904, 67340, 72436, 73630, 90545, 95719, 103082, 103480, 134680, 144872, 147260, 181090, 191438, 206164, 257705, 294520, 362180, 382876, 412328, 478595, 515410, 670033, 724360, 765752, 957190, 1030820, 1340066, 1914380, 2061640, 2680132, 3350165, 3828760, 5360264, 6700330, 13400660, 26801320]

約数ペア:

[(1, 26801320), (2, 13400660), (4, 6700330), (5, 5360264), (7, 3828760), (8, 3350165), (10, 2680132), (13, 2061640), (14, 1914380), (20, 1340066), (26, 1030820), (28, 957190), (35, 765752), (37, 724360), (40, 670033), (52, 515410), (56, 478595), (65, 412328), (70, 382876), (74, 362180), (91, 294520), (104, 257705), (130, 206164), (140, 191438), (148, 181090), (182, 147260), (185, 144872), (199, 134680), (259, 103480), (260, 103082), (280, 95719), (296, 90545), (364, 73630), (370, 72436), (398, 67340), (455, 58904), (481, 55720), (518, 51740), (520, 51541), (728, 36815), (740, 36218), (796, 33670), (910, 29452), (962, 27860), (995, 26936), (1036, 25870), (1295, 20696), (1393, 19240), (1480, 18109), (1592, 16835), (1820, 14726), (1924, 13930), (1990, 13468), (2072, 12935), (2405, 11144), (2587, 10360), (2590, 10348), (2786, 9620), (3367, 7960), (3640, 7363), (3848, 6965), (3980, 6734), (4810, 5572), (5174, 5180)]