42879640

素因数分解:

$2^3\times 5^1\times {\mathrm{1071991}}^1$

素因数の和:1072002

約数の個数: 16

約数和(自身を含む): 96479280

約数和(自身を除く): 53599640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1071991, 2143982, 4287964, 5359955, 8575928, 10719910, 21439820, 42879640]

約数ペア:

[(1, 42879640), (2, 21439820), (4, 10719910), (5, 8575928), (8, 5359955), (10, 4287964), (20, 2143982), (40, 1071991)]