4222780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1061}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 8920800

約数和(自身を除く): 4698020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1061, 1990, 2122, 3980, 4244, 5305, 10610, 21220, 211139, 422278, 844556, 1055695, 2111390, 4222780]

約数ペア:

[(1, 4222780), (2, 2111390), (4, 1055695), (5, 844556), (10, 422278), (20, 211139), (199, 21220), (398, 10610), (796, 5305), (995, 4244), (1061, 3980), (1990, 2122)]