16638080

素因数分解:

$2^7\times 5^1\times {\mathrm{25997}}^1$

素因数の和:26016

約数の個数: 32

約数和(自身を含む): 39776940

約数和(自身を除く): 23138860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 25997, 51994, 103988, 129985, 207976, 259970, 415952, 519940, 831904, 1039880, 1663808, 2079760, 3327616, 4159520, 8319040, 16638080]

約数ペア:

[(1, 16638080), (2, 8319040), (4, 4159520), (5, 3327616), (8, 2079760), (10, 1663808), (16, 1039880), (20, 831904), (32, 519940), (40, 415952), (64, 259970), (80, 207976), (128, 129985), (160, 103988), (320, 51994), (640, 25997)]