28241540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32839}}^1$

素因数の和:32891

約数の個数: 24

約数和(自身を含む): 60688320

約数和(自身を除く): 32446780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 32839, 65678, 131356, 164195, 328390, 656780, 1412077, 2824154, 5648308, 7060385, 14120770, 28241540]

約数ペア:

[(1, 28241540), (2, 14120770), (4, 7060385), (5, 5648308), (10, 2824154), (20, 1412077), (43, 656780), (86, 328390), (172, 164195), (215, 131356), (430, 65678), (860, 32839)]