85870090

素因数分解:

$2^1\times 5^1\times {\mathrm{2099}}^1\times {\mathrm{4091}}^1$

素因数の和:6197

約数の個数: 16

約数和(自身を含む): 154677600

約数和(自身を除く): 68807510

約数列:

[1, 2, 5, 10, 2099, 4091, 4198, 8182, 10495, 20455, 20990, 40910, 8587009, 17174018, 42935045, 85870090]

約数ペア:

[(1, 85870090), (2, 42935045), (5, 17174018), (10, 8587009), (2099, 40910), (4091, 20990), (4198, 20455), (8182, 10495)]