66686860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25453}}^1$

素因数の和:25593

約数の個数: 24

約数和(自身を含む): 141116976

約数和(自身を除く): 74430116

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 25453, 50906, 101812, 127265, 254530, 509060, 3334343, 6668686, 13337372, 16671715, 33343430, 66686860]

約数ペア:

[(1, 66686860), (2, 33343430), (4, 16671715), (5, 13337372), (10, 6668686), (20, 3334343), (131, 509060), (262, 254530), (524, 127265), (655, 101812), (1310, 50906), (2620, 25453)]