16528940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4153}}^1$

素因数の和:4361

約数の個数: 24

約数和(自身を含む): 34893600

約数和(自身を除く): 18364660

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 4153, 8306, 16612, 20765, 41530, 83060, 826447, 1652894, 3305788, 4132235, 8264470, 16528940]

約数ペア:

[(1, 16528940), (2, 8264470), (4, 4132235), (5, 3305788), (10, 1652894), (20, 826447), (199, 83060), (398, 41530), (796, 20765), (995, 16612), (1990, 8306), (3980, 4153)]