68315080

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1979}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 153964800

約数和(自身を除く): 85649720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 1979, 3452, 3958, 4315, 6904, 7916, 8630, 9895, 15832, 17260, 19790, 34520, 39580, 79160, 1707877, 3415754, 6831508, 8539385, 13663016, 17078770, 34157540, 68315080]

約数ペア:

[(1, 68315080), (2, 34157540), (4, 17078770), (5, 13663016), (8, 8539385), (10, 6831508), (20, 3415754), (40, 1707877), (863, 79160), (1726, 39580), (1979, 34520), (3452, 19790), (3958, 17260), (4315, 15832), (6904, 9895), (7916, 8630)]