208278080

素因数分解:

$2^6\times 5^1\times {\mathrm{650869}}^1$

素因数の和:650886

約数の個数: 28

約数和(自身を含む): 495962940

約数和(自身を除く): 287684860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 650869, 1301738, 2603476, 3254345, 5206952, 6508690, 10413904, 13017380, 20827808, 26034760, 41655616, 52069520, 104139040, 208278080]

約数ペア:

[(1, 208278080), (2, 104139040), (4, 52069520), (5, 41655616), (8, 26034760), (10, 20827808), (16, 13017380), (20, 10413904), (32, 6508690), (40, 5206952), (64, 3254345), (80, 2603476), (160, 1301738), (320, 650869)]