30880820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7759}}^1$

素因数の和:7967

約数の個数: 24

約数和(自身を含む): 65184000

約数和(自身を除く): 34303180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 7759, 15518, 31036, 38795, 77590, 155180, 1544041, 3088082, 6176164, 7720205, 15440410, 30880820]

約数ペア:

[(1, 30880820), (2, 15440410), (4, 7720205), (5, 6176164), (10, 3088082), (20, 1544041), (199, 155180), (398, 77590), (796, 38795), (995, 31036), (1990, 15518), (3980, 7759)]