28227280

素因数分解:

$2^4\times 5^1\times {\mathrm{352841}}^1$

素因数の和:352854

約数の個数: 20

約数和(自身を含む): 65628612

約数和(自身を除く): 37401332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352841, 705682, 1411364, 1764205, 2822728, 3528410, 5645456, 7056820, 14113640, 28227280]

約数ペア:

[(1, 28227280), (2, 14113640), (4, 7056820), (5, 5645456), (8, 3528410), (10, 2822728), (16, 1764205), (20, 1411364), (40, 705682), (80, 352841)]