26864140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12323}}^1$

素因数の和:12441

約数の個数: 24

約数和(自身を含む): 56936880

約数和(自身を除く): 30072740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 12323, 24646, 49292, 61615, 123230, 246460, 1343207, 2686414, 5372828, 6716035, 13432070, 26864140]

約数ペア:

[(1, 26864140), (2, 13432070), (4, 6716035), (5, 5372828), (10, 2686414), (20, 1343207), (109, 246460), (218, 123230), (436, 61615), (545, 49292), (1090, 24646), (2180, 12323)]