66979940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{9277}}^1$

素因数の和:9324

約数の個数: 36

約数和(自身を含む): 148466556

約数和(自身を除く): 81486616

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 9277, 18554, 37108, 46385, 92770, 176263, 185540, 352526, 705052, 881315, 1762630, 3348997, 3525260, 6697994, 13395988, 16744985, 33489970, 66979940]

約数ペア:

[(1, 66979940), (2, 33489970), (4, 16744985), (5, 13395988), (10, 6697994), (19, 3525260), (20, 3348997), (38, 1762630), (76, 881315), (95, 705052), (190, 352526), (361, 185540), (380, 176263), (722, 92770), (1444, 46385), (1805, 37108), (3610, 18554), (7220, 9277)]