87542090

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{43991}}^1$

素因数の和:44197

約数の個数: 16

約数和(自身を含む): 158371200

約数和(自身を除く): 70829110

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 43991, 87982, 219955, 439910, 8754209, 17508418, 43771045, 87542090]

約数ペア:

[(1, 87542090), (2, 43771045), (5, 17508418), (10, 8754209), (199, 439910), (398, 219955), (995, 87982), (1990, 43991)]