11400140

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{881}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 24004512

約数和(自身を除く): 12604372

約数列:

[1, 2, 4, 5, 10, 20, 647, 881, 1294, 1762, 2588, 3235, 3524, 4405, 6470, 8810, 12940, 17620, 570007, 1140014, 2280028, 2850035, 5700070, 11400140]

約数ペア:

[(1, 11400140), (2, 5700070), (4, 2850035), (5, 2280028), (10, 1140014), (20, 570007), (647, 17620), (881, 12940), (1294, 8810), (1762, 6470), (2588, 4405), (3235, 3524)]