6668740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1973}}^1$

素因数の和:2008

約数の個数: 36

約数和(自身を含む): 15172164

約数和(自身を除く): 8503424

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 1973, 3380, 3946, 7892, 9865, 19730, 25649, 39460, 51298, 102596, 128245, 256490, 333437, 512980, 666874, 1333748, 1667185, 3334370, 6668740]

約数ペア:

[(1, 6668740), (2, 3334370), (4, 1667185), (5, 1333748), (10, 666874), (13, 512980), (20, 333437), (26, 256490), (52, 128245), (65, 102596), (130, 51298), (169, 39460), (260, 25649), (338, 19730), (676, 9865), (845, 7892), (1690, 3946), (1973, 3380)]