51139520

素因数分解:

$2^6\times 5^1\times {\mathrm{159811}}^1$

素因数の和:159828

約数の個数: 28

約数和(自身を含む): 121776744

約数和(自身を除く): 70637224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 159811, 319622, 639244, 799055, 1278488, 1598110, 2556976, 3196220, 5113952, 6392440, 10227904, 12784880, 25569760, 51139520]

約数ペア:

[(1, 51139520), (2, 25569760), (4, 12784880), (5, 10227904), (8, 6392440), (10, 5113952), (16, 3196220), (20, 2556976), (32, 1598110), (40, 1278488), (64, 799055), (80, 639244), (160, 319622), (320, 159811)]