28030550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{6299}}^1$

素因数の和:6400

約数の個数: 24

約数和(自身を含む): 52731000

約数和(自身を除く): 24700450

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 6299, 12598, 31495, 62990, 157475, 314950, 560611, 1121222, 2803055, 5606110, 14015275, 28030550]

約数ペア:

[(1, 28030550), (2, 14015275), (5, 5606110), (10, 2803055), (25, 1121222), (50, 560611), (89, 314950), (178, 157475), (445, 62990), (890, 31495), (2225, 12598), (4450, 6299)]