2648920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1409}}^1$

素因数の和:1467

約数の個数: 32

約数和(自身を含む): 6091200

約数和(自身を除く): 3442280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1409, 1880, 2818, 5636, 7045, 11272, 14090, 28180, 56360, 66223, 132446, 264892, 331115, 529784, 662230, 1324460, 2648920]

約数ペア:

[(1, 2648920), (2, 1324460), (4, 662230), (5, 529784), (8, 331115), (10, 264892), (20, 132446), (40, 66223), (47, 56360), (94, 28180), (188, 14090), (235, 11272), (376, 7045), (470, 5636), (940, 2818), (1409, 1880)]