28666160

素因数分解:

$2^4\times 5^1\times {\mathrm{358327}}^1$

素因数の和:358340

約数の個数: 20

約数和(自身を含む): 66649008

約数和(自身を除く): 37982848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358327, 716654, 1433308, 1791635, 2866616, 3583270, 5733232, 7166540, 14333080, 28666160]

約数ペア:

[(1, 28666160), (2, 14333080), (4, 7166540), (5, 5733232), (8, 3583270), (10, 2866616), (16, 1791635), (20, 1433308), (40, 716654), (80, 358327)]