15386680

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1933}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 34812000

約数和(自身を除く): 19425320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1933, 1990, 3866, 3980, 7732, 7960, 9665, 15464, 19330, 38660, 77320, 384667, 769334, 1538668, 1923335, 3077336, 3846670, 7693340, 15386680]

約数ペア:

[(1, 15386680), (2, 7693340), (4, 3846670), (5, 3077336), (8, 1923335), (10, 1538668), (20, 769334), (40, 384667), (199, 77320), (398, 38660), (796, 19330), (995, 15464), (1592, 9665), (1933, 7960), (1990, 7732), (3866, 3980)]