27207280

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1709}}^1$

素因数の和:1921

約数の個数: 40

約数和(自身を含む): 63612000

約数和(自身を除く): 36404720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1709, 1990, 3184, 3418, 3980, 6836, 7960, 8545, 13672, 15920, 17090, 27344, 34180, 68360, 136720, 340091, 680182, 1360364, 1700455, 2720728, 3400910, 5441456, 6801820, 13603640, 27207280]

約数ペア:

[(1, 27207280), (2, 13603640), (4, 6801820), (5, 5441456), (8, 3400910), (10, 2720728), (16, 1700455), (20, 1360364), (40, 680182), (80, 340091), (199, 136720), (398, 68360), (796, 34180), (995, 27344), (1592, 17090), (1709, 15920), (1990, 13672), (3184, 8545), (3418, 7960), (3980, 6836)]