13438240

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1849

約数の個数: 48

約数和(自身を含む): 32441472

約数和(自身を除く): 19003232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1787, 1880, 3574, 3760, 7148, 7520, 8935, 14296, 17870, 28592, 35740, 57184, 71480, 83989, 142960, 167978, 285920, 335956, 419945, 671912, 839890, 1343824, 1679780, 2687648, 3359560, 6719120, 13438240]

約数ペア:

[(1, 13438240), (2, 6719120), (4, 3359560), (5, 2687648), (8, 1679780), (10, 1343824), (16, 839890), (20, 671912), (32, 419945), (40, 335956), (47, 285920), (80, 167978), (94, 142960), (160, 83989), (188, 71480), (235, 57184), (376, 35740), (470, 28592), (752, 17870), (940, 14296), (1504, 8935), (1787, 7520), (1880, 7148), (3574, 3760)]