68427640

素因数分解:

$2^3\times 5^1\times {\mathrm{1710691}}^1$

素因数の和:1710702

約数の個数: 16

約数和(自身を含む): 153962280

約数和(自身を除く): 85534640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1710691, 3421382, 6842764, 8553455, 13685528, 17106910, 34213820, 68427640]

約数ペア:

[(1, 68427640), (2, 34213820), (4, 17106910), (5, 13685528), (8, 8553455), (10, 6842764), (20, 3421382), (40, 1710691)]