79856980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{570407}}^1$

素因数の和:570423

約数の個数: 24

約数和(自身を含む): 191657088

約数和(自身を除く): 111800108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 570407, 1140814, 2281628, 2852035, 3992849, 5704070, 7985698, 11408140, 15971396, 19964245, 39928490, 79856980]

約数ペア:

[(1, 79856980), (2, 39928490), (4, 19964245), (5, 15971396), (7, 11408140), (10, 7985698), (14, 5704070), (20, 3992849), (28, 2852035), (35, 2281628), (70, 1140814), (140, 570407)]