80564740

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{4967}}^1$

素因数の和:5787

約数の個数: 24

約数和(自身を含む): 169428672

約数和(自身を除く): 88863932

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 4967, 8110, 9934, 16220, 19868, 24835, 49670, 99340, 4028237, 8056474, 16112948, 20141185, 40282370, 80564740]

約数ペア:

[(1, 80564740), (2, 40282370), (4, 20141185), (5, 16112948), (10, 8056474), (20, 4028237), (811, 99340), (1622, 49670), (3244, 24835), (4055, 19868), (4967, 16220), (8110, 9934)]