12656140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90401}}^1$

素因数の和:90417

約数の個数: 24

約数和(自身を含む): 30375072

約数和(自身を除く): 17718932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90401, 180802, 361604, 452005, 632807, 904010, 1265614, 1808020, 2531228, 3164035, 6328070, 12656140]

約数ペア:

[(1, 12656140), (2, 6328070), (4, 3164035), (5, 2531228), (7, 1808020), (10, 1265614), (14, 904010), (20, 632807), (28, 452005), (35, 361604), (70, 180802), (140, 90401)]