27439640

素因数分解:

$2^3\times 5^1\times {\mathrm{685991}}^1$

素因数の和:686002

約数の個数: 16

約数和(自身を含む): 61739280

約数和(自身を除く): 34299640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 685991, 1371982, 2743964, 3429955, 5487928, 6859910, 13719820, 27439640]

約数ペア:

[(1, 27439640), (2, 13719820), (4, 6859910), (5, 5487928), (8, 3429955), (10, 2743964), (20, 1371982), (40, 685991)]