81135740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{579541}}^1$

素因数の和:579557

約数の個数: 24

約数和(自身を含む): 194726112

約数和(自身を除く): 113590372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 579541, 1159082, 2318164, 2897705, 4056787, 5795410, 8113574, 11590820, 16227148, 20283935, 40567870, 81135740]

約数ペア:

[(1, 81135740), (2, 40567870), (4, 20283935), (5, 16227148), (7, 11590820), (10, 8113574), (14, 5795410), (20, 4056787), (28, 2897705), (35, 2318164), (70, 1159082), (140, 579541)]