2012509840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{22643}}^1$

素因数の和:22768

約数の個数: 80

約数和(自身を含む): 5155223616

約数和(自身を除く): 3142713776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1111, 1616, 2020, 2222, 4040, 4444, 5555, 8080, 8888, 11110, 17776, 22220, 22643, 44440, 45286, 88880, 90572, 113215, 181144, 226430, 249073, 362288, 452860, 498146, 905720, 996292, 1245365, 1811440, 1992584, 2286943, 2490730, 3985168, 4573886, 4981460, 9147772, 9962920, 11434715, 18295544, 19925840, 22869430, 25156373, 36591088, 45738860, 50312746, 91477720, 100625492, 125781865, 182955440, 201250984, 251563730, 402501968, 503127460, 1006254920, 2012509840]

約数ペア:

[(1, 2012509840), (2, 1006254920), (4, 503127460), (5, 402501968), (8, 251563730), (10, 201250984), (11, 182955440), (16, 125781865), (20, 100625492), (22, 91477720), (40, 50312746), (44, 45738860), (55, 36591088), (80, 25156373), (88, 22869430), (101, 19925840), (110, 18295544), (176, 11434715), (202, 9962920), (220, 9147772), (404, 4981460), (440, 4573886), (505, 3985168), (808, 2490730), (880, 2286943), (1010, 1992584), (1111, 1811440), (1616, 1245365), (2020, 996292), (2222, 905720), (4040, 498146), (4444, 452860), (5555, 362288), (8080, 249073), (8888, 226430), (11110, 181144), (17776, 113215), (22220, 90572), (22643, 88880), (44440, 45286)]