68480780

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{9811}}^1$

素因数の和:10169

約数の個数: 24

約数和(自身を含む): 144236400

約数和(自身を除く): 75755620

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 9811, 19622, 39244, 49055, 98110, 196220, 3424039, 6848078, 13696156, 17120195, 34240390, 68480780]

約数ペア:

[(1, 68480780), (2, 34240390), (4, 17120195), (5, 13696156), (10, 6848078), (20, 3424039), (349, 196220), (698, 98110), (1396, 49055), (1745, 39244), (3490, 19622), (6980, 9811)]