90659090

素因数分解:

$2^1\times 5^1\times {\mathrm{2591}}^1\times {\mathrm{3499}}^1$

素因数の和:6097

約数の個数: 16

約数和(自身を含む): 163296000

約数和(自身を除く): 72636910

約数列:

[1, 2, 5, 10, 2591, 3499, 5182, 6998, 12955, 17495, 25910, 34990, 9065909, 18131818, 45329545, 90659090]

約数ペア:

[(1, 90659090), (2, 45329545), (5, 18131818), (10, 9065909), (2591, 34990), (3499, 25910), (5182, 17495), (6998, 12955)]