68816180

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{10993}}^1$

素因数の和:11315

約数の個数: 24

約数和(自身を含む): 144988872

約数和(自身を除く): 76172692

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 10993, 21986, 43972, 54965, 109930, 219860, 3440809, 6881618, 13763236, 17204045, 34408090, 68816180]

約数ペア:

[(1, 68816180), (2, 34408090), (4, 17204045), (5, 13763236), (10, 6881618), (20, 3440809), (313, 219860), (626, 109930), (1252, 54965), (1565, 43972), (3130, 21986), (6260, 10993)]