67272620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30859}}^1$

素因数の和:30977

約数の個数: 24

約数和(自身を含む): 142573200

約数和(自身を除く): 75300580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30859, 61718, 123436, 154295, 308590, 617180, 3363631, 6727262, 13454524, 16818155, 33636310, 67272620]

約数ペア:

[(1, 67272620), (2, 33636310), (4, 16818155), (5, 13454524), (10, 6727262), (20, 3363631), (109, 617180), (218, 308590), (436, 154295), (545, 123436), (1090, 61718), (2180, 30859)]