128565685

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{1999}}^1$

素因数の和:2700

約数の個数: 16

約数和(自身を含む): 162720000

約数和(自身を除く): 34154315

約数列:

[1, 5, 19, 95, 677, 1999, 3385, 9995, 12863, 37981, 64315, 189905, 1353323, 6766615, 25713137, 128565685]

約数ペア:

[(1, 128565685), (5, 25713137), (19, 6766615), (95, 1353323), (677, 189905), (1999, 64315), (3385, 37981), (9995, 12863)]