15940090

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3631}}^1$

素因数の和:4077

約数の個数: 16

約数和(自身を含む): 28765440

約数和(自身を除く): 12825350

約数列:

[1, 2, 5, 10, 439, 878, 2195, 3631, 4390, 7262, 18155, 36310, 1594009, 3188018, 7970045, 15940090]

約数ペア:

[(1, 15940090), (2, 7970045), (5, 3188018), (10, 1594009), (439, 36310), (878, 18155), (2195, 7262), (3631, 4390)]