81501760

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5419}}^1$

素因数の和:5483

約数の個数: 56

約数和(自身を含む): 198241920

約数和(自身を除く): 116740160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1504, 1880, 3008, 3760, 5419, 7520, 10838, 15040, 21676, 27095, 43352, 54190, 86704, 108380, 173408, 216760, 254693, 346816, 433520, 509386, 867040, 1018772, 1273465, 1734080, 2037544, 2546930, 4075088, 5093860, 8150176, 10187720, 16300352, 20375440, 40750880, 81501760]

約数ペア:

[(1, 81501760), (2, 40750880), (4, 20375440), (5, 16300352), (8, 10187720), (10, 8150176), (16, 5093860), (20, 4075088), (32, 2546930), (40, 2037544), (47, 1734080), (64, 1273465), (80, 1018772), (94, 867040), (160, 509386), (188, 433520), (235, 346816), (320, 254693), (376, 216760), (470, 173408), (752, 108380), (940, 86704), (1504, 54190), (1880, 43352), (3008, 27095), (3760, 21676), (5419, 15040), (7520, 10838)]