27486740

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3533}}^1$

素因数の和:3931

約数の個数: 24

約数和(自身を含む): 57886920

約数和(自身を除く): 30400180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3533, 3890, 7066, 7780, 14132, 17665, 35330, 70660, 1374337, 2748674, 5497348, 6871685, 13743370, 27486740]

約数ペア:

[(1, 27486740), (2, 13743370), (4, 6871685), (5, 5497348), (10, 2748674), (20, 1374337), (389, 70660), (778, 35330), (1556, 17665), (1945, 14132), (3533, 7780), (3890, 7066)]