129283040

素因数分解:

$2^5\times 5^1\times {\mathrm{808019}}^1$

素因数の和:808034

約数の個数: 24

約数和(自身を含む): 305431560

約数和(自身を除く): 176148520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 808019, 1616038, 3232076, 4040095, 6464152, 8080190, 12928304, 16160380, 25856608, 32320760, 64641520, 129283040]

約数ペア:

[(1, 129283040), (2, 64641520), (4, 32320760), (5, 25856608), (8, 16160380), (10, 12928304), (16, 8080190), (20, 6464152), (32, 4040095), (40, 3232076), (80, 1616038), (160, 808019)]