54973480

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3533}}^1$

素因数の和:3933

約数の個数: 32

約数和(自身を含む): 124043400

約数和(自身を除く): 69069920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3533, 3890, 7066, 7780, 14132, 15560, 17665, 28264, 35330, 70660, 141320, 1374337, 2748674, 5497348, 6871685, 10994696, 13743370, 27486740, 54973480]

約数ペア:

[(1, 54973480), (2, 27486740), (4, 13743370), (5, 10994696), (8, 6871685), (10, 5497348), (20, 2748674), (40, 1374337), (389, 141320), (778, 70660), (1556, 35330), (1945, 28264), (3112, 17665), (3533, 15560), (3890, 14132), (7066, 7780)]