51856880

素因数分解:

$2^4\times 5^1\times {\mathrm{648211}}^1$

素因数の和:648224

約数の個数: 20

約数和(自身を含む): 120567432

約数和(自身を除く): 68710552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648211, 1296422, 2592844, 3241055, 5185688, 6482110, 10371376, 12964220, 25928440, 51856880]

約数ペア:

[(1, 51856880), (2, 25928440), (4, 12964220), (5, 10371376), (8, 6482110), (10, 5185688), (16, 3241055), (20, 2592844), (40, 1296422), (80, 648211)]