16998580

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4271}}^1$

素因数の和:4479

約数の個数: 24

約数和(自身を含む): 35884800

約数和(自身を除く): 18886220

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 4271, 8542, 17084, 21355, 42710, 85420, 849929, 1699858, 3399716, 4249645, 8499290, 16998580]

約数ペア:

[(1, 16998580), (2, 8499290), (4, 4249645), (5, 3399716), (10, 1699858), (20, 849929), (199, 85420), (398, 42710), (796, 21355), (995, 17084), (1990, 8542), (3980, 4271)]