28396040

素因数分解:

$2^3\times 5^1\times {\mathrm{709901}}^1$

素因数の和:709912

約数の個数: 16

約数和(自身を含む): 63891180

約数和(自身を除く): 35495140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709901, 1419802, 2839604, 3549505, 5679208, 7099010, 14198020, 28396040]

約数ペア:

[(1, 28396040), (2, 14198020), (4, 7099010), (5, 5679208), (8, 3549505), (10, 2839604), (20, 1419802), (40, 709901)]