8128360

素因数分解:

$2^3\times 5^1\times {\mathrm{203209}}^1$

素因数の和:203220

約数の個数: 16

約数和(自身を含む): 18288900

約数和(自身を除く): 10160540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 203209, 406418, 812836, 1016045, 1625672, 2032090, 4064180, 8128360]

約数ペア:

[(1, 8128360), (2, 4064180), (4, 2032090), (5, 1625672), (8, 1016045), (10, 812836), (20, 406418), (40, 203209)]