12887600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 35287920

約数和(自身を除く): 22400320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 29, 40, 44, 50, 55, 58, 80, 88, 100, 101, 110, 116, 145, 176, 200, 202, 220, 232, 275, 290, 319, 400, 404, 440, 464, 505, 550, 580, 638, 725, 808, 880, 1010, 1100, 1111, 1160, 1276, 1450, 1595, 1616, 2020, 2200, 2222, 2320, 2525, 2552, 2900, 2929, 3190, 4040, 4400, 4444, 5050, 5104, 5555, 5800, 5858, 6380, 7975, 8080, 8888, 10100, 11110, 11600, 11716, 12760, 14645, 15950, 17776, 20200, 22220, 23432, 25520, 27775, 29290, 31900, 32219, 40400, 44440, 46864, 55550, 58580, 63800, 64438, 73225, 88880, 111100, 117160, 127600, 128876, 146450, 161095, 222200, 234320, 257752, 292900, 322190, 444400, 515504, 585800, 644380, 805475, 1171600, 1288760, 1610950, 2577520, 3221900, 6443800, 12887600]

約数ペア:

[(1, 12887600), (2, 6443800), (4, 3221900), (5, 2577520), (8, 1610950), (10, 1288760), (11, 1171600), (16, 805475), (20, 644380), (22, 585800), (25, 515504), (29, 444400), (40, 322190), (44, 292900), (50, 257752), (55, 234320), (58, 222200), (80, 161095), (88, 146450), (100, 128876), (101, 127600), (110, 117160), (116, 111100), (145, 88880), (176, 73225), (200, 64438), (202, 63800), (220, 58580), (232, 55550), (275, 46864), (290, 44440), (319, 40400), (400, 32219), (404, 31900), (440, 29290), (464, 27775), (505, 25520), (550, 23432), (580, 22220), (638, 20200), (725, 17776), (808, 15950), (880, 14645), (1010, 12760), (1100, 11716), (1111, 11600), (1160, 11110), (1276, 10100), (1450, 8888), (1595, 8080), (1616, 7975), (2020, 6380), (2200, 5858), (2222, 5800), (2320, 5555), (2525, 5104), (2552, 5050), (2900, 4444), (2929, 4400), (3190, 4040)]