55794820

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{1721}}^1$

素因数の和:3351

約数の個数: 24

約数和(自身を含む): 117309528

約数和(自身を除く): 61514708

約数列:

[1, 2, 4, 5, 10, 20, 1621, 1721, 3242, 3442, 6484, 6884, 8105, 8605, 16210, 17210, 32420, 34420, 2789741, 5579482, 11158964, 13948705, 27897410, 55794820]

約数ペア:

[(1, 55794820), (2, 27897410), (4, 13948705), (5, 11158964), (10, 5579482), (20, 2789741), (1621, 34420), (1721, 32420), (3242, 17210), (3442, 16210), (6484, 8605), (6884, 8105)]