64438000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 160

約数和(自身を含む): 177577920

約数和(自身を除く): 113139920

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, 125, 145, 176, 200, 202, 220, 232, 250, 275, 290, 319, 400, 404, 440, 464, 500, 505, 550, 580, 638, 725, 808, 880, 1000, 1010, 1100, 1111, 1160, 1276, 1375, 1450, 1595, 1616, 2000, 2020, 2200, 2222, 2320, 2525, 2552, 2750, 2900, 2929, 3190, 3625, 4040, 4400, 4444, 5050, 5104, 5500, 5555, 5800, 5858, 6380, 7250, 7975, 8080, 8888, 10100, 11000, 11110, 11600, 11716, 12625, 12760, 14500, 14645, 15950, 17776, 20200, 22000, 22220, 23432, 25250, 25520, 27775, 29000, 29290, 31900, 32219, 39875, 40400, 44440, 46864, 50500, 55550, 58000, 58580, 63800, 64438, 73225, 79750, 88880, 101000, 111100, 117160, 127600, 128876, 138875, 146450, 159500, 161095, 202000, 222200, 234320, 257752, 277750, 292900, 319000, 322190, 366125, 444400, 515504, 555500, 585800, 638000, 644380, 732250, 805475, 1111000, 1171600, 1288760, 1464500, 1610950, 2222000, 2577520, 2929000, 3221900, 4027375, 5858000, 6443800, 8054750, 12887600, 16109500, 32219000, 64438000]

約数ペア:

[(1, 64438000), (2, 32219000), (4, 16109500), (5, 12887600), (8, 8054750), (10, 6443800), (11, 5858000), (16, 4027375), (20, 3221900), (22, 2929000), (25, 2577520), (29, 2222000), (40, 1610950), (44, 1464500), (50, 1288760), (55, 1171600), (58, 1111000), (80, 805475), (88, 732250), (100, 644380), (101, 638000), (110, 585800), (116, 555500), (125, 515504), (145, 444400), (176, 366125), (200, 322190), (202, 319000), (220, 292900), (232, 277750), (250, 257752), (275, 234320), (290, 222200), (319, 202000), (400, 161095), (404, 159500), (440, 146450), (464, 138875), (500, 128876), (505, 127600), (550, 117160), (580, 111100), (638, 101000), (725, 88880), (808, 79750), (880, 73225), (1000, 64438), (1010, 63800), (1100, 58580), (1111, 58000), (1160, 55550), (1276, 50500), (1375, 46864), (1450, 44440), (1595, 40400), (1616, 39875), (2000, 32219), (2020, 31900), (2200, 29290), (2222, 29000), (2320, 27775), (2525, 25520), (2552, 25250), (2750, 23432), (2900, 22220), (2929, 22000), (3190, 20200), (3625, 17776), (4040, 15950), (4400, 14645), (4444, 14500), (5050, 12760), (5104, 12625), (5500, 11716), (5555, 11600), (5800, 11110), (5858, 11000), (6380, 10100), (7250, 8888), (7975, 8080)]