18800

素因数分解:

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

素因数の和:65

約数の個数: 30

約数和(自身を含む): 46128

約数和(自身を除く): 27328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 188, 200, 235, 376, 400, 470, 752, 940, 1175, 1880, 2350, 3760, 4700, 9400, 18800]

約数ペア:

[(1, 18800), (2, 9400), (4, 4700), (5, 3760), (8, 2350), (10, 1880), (16, 1175), (20, 940), (25, 752), (40, 470), (47, 400), (50, 376), (80, 235), (94, 200), (100, 188)]