2828140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20201}}^1$

素因数の和:20217

約数の個数: 24

約数和(自身を含む): 6787872

約数和(自身を除く): 3959732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20201, 40402, 80804, 101005, 141407, 202010, 282814, 404020, 565628, 707035, 1414070, 2828140]

約数ペア:

[(1, 2828140), (2, 1414070), (4, 707035), (5, 565628), (7, 404020), (10, 282814), (14, 202010), (20, 141407), (28, 101005), (35, 80804), (70, 40402), (140, 20201)]