80596400

素因数分解:

$2^4\times 5^2\times {\mathrm{201491}}^1$

素因数の和:201509

約数の個数: 30

約数和(自身を含む): 193633812

約数和(自身を除く): 113037412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 201491, 402982, 805964, 1007455, 1611928, 2014910, 3223856, 4029820, 5037275, 8059640, 10074550, 16119280, 20149100, 40298200, 80596400]

約数ペア:

[(1, 80596400), (2, 40298200), (4, 20149100), (5, 16119280), (8, 10074550), (10, 8059640), (16, 5037275), (20, 4029820), (25, 3223856), (40, 2014910), (50, 1611928), (80, 1007455), (100, 805964), (200, 402982), (400, 201491)]