8280025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 11240600

約数和(自身を除く): 2960575

約数列:

[1, 5, 13, 25, 65, 73, 325, 349, 365, 949, 1745, 1825, 4537, 4745, 8725, 22685, 23725, 25477, 113425, 127385, 331201, 636925, 1656005, 8280025]

約数ペア:

[(1, 8280025), (5, 1656005), (13, 636925), (25, 331201), (65, 127385), (73, 113425), (325, 25477), (349, 23725), (365, 22685), (949, 8725), (1745, 4745), (1825, 4537)]