12748160

素因数分解:

$2^7\times 5^1\times {\mathrm{19919}}^1$

素因数の和:19938

約数の個数: 32

約数和(自身を含む): 30477600

約数和(自身を除く): 17729440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19919, 39838, 79676, 99595, 159352, 199190, 318704, 398380, 637408, 796760, 1274816, 1593520, 2549632, 3187040, 6374080, 12748160]

約数ペア:

[(1, 12748160), (2, 6374080), (4, 3187040), (5, 2549632), (8, 1593520), (10, 1274816), (16, 796760), (20, 637408), (32, 398380), (40, 318704), (64, 199190), (80, 159352), (128, 99595), (160, 79676), (320, 39838), (640, 19919)]