68540260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{201589}}^1$

素因数の和:201615

約数の個数: 24

約数和(自身を含む): 152402040

約数和(自身を除く): 83861780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 201589, 403178, 806356, 1007945, 2015890, 3427013, 4031780, 6854026, 13708052, 17135065, 34270130, 68540260]

約数ペア:

[(1, 68540260), (2, 34270130), (4, 17135065), (5, 13708052), (10, 6854026), (17, 4031780), (20, 3427013), (34, 2015890), (68, 1007945), (85, 806356), (170, 403178), (340, 201589)]