8128280

素因数分解:

$2^3\times 5^1\times {\mathrm{203207}}^1$

素因数の和:203218

約数の個数: 16

約数和(自身を含む): 18288720

約数和(自身を除く): 10160440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 203207, 406414, 812828, 1016035, 1625656, 2032070, 4064140, 8128280]

約数ペア:

[(1, 8128280), (2, 4064140), (4, 2032070), (5, 1625656), (8, 1016035), (10, 812828), (20, 406414), (40, 203207)]