180027340

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{45233}}^1$

素因数の和:45441

約数の個数: 24

約数和(自身を含む): 379965600

約数和(自身を除く): 199938260

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 45233, 90466, 180932, 226165, 452330, 904660, 9001367, 18002734, 36005468, 45006835, 90013670, 180027340]

約数ペア:

[(1, 180027340), (2, 90013670), (4, 45006835), (5, 36005468), (10, 18002734), (20, 9001367), (199, 904660), (398, 452330), (796, 226165), (995, 180932), (1990, 90466), (3980, 45233)]