51704560

素因数分解:

$2^4\times 5^1\times {\mathrm{646307}}^1$

素因数の和:646320

約数の個数: 20

約数和(自身を含む): 120213288

約数和(自身を除く): 68508728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 646307, 1292614, 2585228, 3231535, 5170456, 6463070, 10340912, 12926140, 25852280, 51704560]

約数ペア:

[(1, 51704560), (2, 25852280), (4, 12926140), (5, 10340912), (8, 6463070), (10, 5170456), (16, 3231535), (20, 2585228), (40, 1292614), (80, 646307)]