27122960

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1721}}^1$

素因数の和:1931

約数の個数: 40

約数和(自身を含む): 63417816

約数和(自身を除く): 36294856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1721, 1970, 3152, 3442, 3940, 6884, 7880, 8605, 13768, 15760, 17210, 27536, 34420, 68840, 137680, 339037, 678074, 1356148, 1695185, 2712296, 3390370, 5424592, 6780740, 13561480, 27122960]

約数ペア:

[(1, 27122960), (2, 13561480), (4, 6780740), (5, 5424592), (8, 3390370), (10, 2712296), (16, 1695185), (20, 1356148), (40, 678074), (80, 339037), (197, 137680), (394, 68840), (788, 34420), (985, 27536), (1576, 17210), (1721, 15760), (1970, 13768), (3152, 8605), (3442, 7880), (3940, 6884)]