209715040

素因数分解:

$2^5\times 5^1\times {\mathrm{1310719}}^1$

素因数の和:1310734

約数の個数: 24

約数和(自身を含む): 495452160

約数和(自身を除く): 285737120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1310719, 2621438, 5242876, 6553595, 10485752, 13107190, 20971504, 26214380, 41943008, 52428760, 104857520, 209715040]

約数ペア:

[(1, 209715040), (2, 104857520), (4, 52428760), (5, 41943008), (8, 26214380), (10, 20971504), (16, 13107190), (20, 10485752), (32, 6553595), (40, 5242876), (80, 2621438), (160, 1310719)]