66963880

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3779}}^1$

素因数の和:4233

約数の個数: 32

約数和(自身を含む): 151048800

約数和(自身を除く): 84084920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 3779, 4430, 7558, 8860, 15116, 17720, 18895, 30232, 37790, 75580, 151160, 1674097, 3348194, 6696388, 8370485, 13392776, 16740970, 33481940, 66963880]

約数ペア:

[(1, 66963880), (2, 33481940), (4, 16740970), (5, 13392776), (8, 8370485), (10, 6696388), (20, 3348194), (40, 1674097), (443, 151160), (886, 75580), (1772, 37790), (2215, 30232), (3544, 18895), (3779, 17720), (4430, 15116), (7558, 8860)]