129394775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 166656000

約数和(自身を除く): 37261225

約数列:

[1, 5, 25, 31, 155, 199, 775, 839, 995, 4195, 4975, 6169, 20975, 26009, 30845, 130045, 154225, 166961, 650225, 834805, 4174025, 5175791, 25878955, 129394775]

約数ペア:

[(1, 129394775), (5, 25878955), (25, 5175791), (31, 4174025), (155, 834805), (199, 650225), (775, 166961), (839, 154225), (995, 130045), (4195, 30845), (4975, 26009), (6169, 20975)]