827797840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1607}}^1$

素因数の和:1804

約数の個数: 80

約数和(自身を含む): 1981158912

約数和(自身を除く): 1153361072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 137, 188, 235, 274, 376, 470, 548, 685, 752, 940, 1096, 1370, 1607, 1880, 2192, 2740, 3214, 3760, 5480, 6428, 6439, 8035, 10960, 12856, 12878, 16070, 25712, 25756, 32140, 32195, 51512, 64280, 64390, 75529, 103024, 128560, 128780, 151058, 220159, 257560, 302116, 377645, 440318, 515120, 604232, 755290, 880636, 1100795, 1208464, 1510580, 1761272, 2201590, 3021160, 3522544, 4403180, 6042320, 8806360, 10347473, 17612720, 20694946, 41389892, 51737365, 82779784, 103474730, 165559568, 206949460, 413898920, 827797840]

約数ペア:

[(1, 827797840), (2, 413898920), (4, 206949460), (5, 165559568), (8, 103474730), (10, 82779784), (16, 51737365), (20, 41389892), (40, 20694946), (47, 17612720), (80, 10347473), (94, 8806360), (137, 6042320), (188, 4403180), (235, 3522544), (274, 3021160), (376, 2201590), (470, 1761272), (548, 1510580), (685, 1208464), (752, 1100795), (940, 880636), (1096, 755290), (1370, 604232), (1607, 515120), (1880, 440318), (2192, 377645), (2740, 302116), (3214, 257560), (3760, 220159), (5480, 151058), (6428, 128780), (6439, 128560), (8035, 103024), (10960, 75529), (12856, 64390), (12878, 64280), (16070, 51512), (25712, 32195), (25756, 32140)]