11909920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 31461696

約数和(自身を除く): 19551776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 67, 80, 88, 101, 110, 134, 160, 176, 202, 220, 268, 335, 352, 404, 440, 505, 536, 670, 737, 808, 880, 1010, 1072, 1111, 1340, 1474, 1616, 1760, 2020, 2144, 2222, 2680, 2948, 3232, 3685, 4040, 4444, 5360, 5555, 5896, 6767, 7370, 8080, 8888, 10720, 11110, 11792, 13534, 14740, 16160, 17776, 22220, 23584, 27068, 29480, 33835, 35552, 44440, 54136, 58960, 67670, 74437, 88880, 108272, 117920, 135340, 148874, 177760, 216544, 270680, 297748, 372185, 541360, 595496, 744370, 1082720, 1190992, 1488740, 2381984, 2977480, 5954960, 11909920]

約数ペア:

[(1, 11909920), (2, 5954960), (4, 2977480), (5, 2381984), (8, 1488740), (10, 1190992), (11, 1082720), (16, 744370), (20, 595496), (22, 541360), (32, 372185), (40, 297748), (44, 270680), (55, 216544), (67, 177760), (80, 148874), (88, 135340), (101, 117920), (110, 108272), (134, 88880), (160, 74437), (176, 67670), (202, 58960), (220, 54136), (268, 44440), (335, 35552), (352, 33835), (404, 29480), (440, 27068), (505, 23584), (536, 22220), (670, 17776), (737, 16160), (808, 14740), (880, 13534), (1010, 11792), (1072, 11110), (1111, 10720), (1340, 8888), (1474, 8080), (1616, 7370), (1760, 6767), (2020, 5896), (2144, 5555), (2222, 5360), (2680, 4444), (2948, 4040), (3232, 3685)]