68887940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313127}}^1$

素因数の和:313147

約数の個数: 24

約数和(自身を含む): 157816512

約数和(自身を除く): 88928572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313127, 626254, 1252508, 1565635, 3131270, 3444397, 6262540, 6888794, 13777588, 17221985, 34443970, 68887940]

約数ペア:

[(1, 68887940), (2, 34443970), (4, 17221985), (5, 13777588), (10, 6888794), (11, 6262540), (20, 3444397), (22, 3131270), (44, 1565635), (55, 1252508), (110, 626254), (220, 313127)]