40189045

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 52704000

約数和(自身を除く): 12514955

約数列:

[1, 5, 13, 65, 169, 199, 239, 845, 995, 1195, 2587, 3107, 12935, 15535, 33631, 40391, 47561, 168155, 201955, 237805, 618293, 3091465, 8037809, 40189045]

約数ペア:

[(1, 40189045), (5, 8037809), (13, 3091465), (65, 618293), (169, 237805), (199, 201955), (239, 168155), (845, 47561), (995, 40391), (1195, 33631), (2587, 15535), (3107, 12935)]