264640

素因数分解:

$2^6\times 5^1\times {\mathrm{827}}^1$

素因数の和:844

約数の個数: 28

約数和(自身を含む): 630936

約数和(自身を除く): 366296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 827, 1654, 3308, 4135, 6616, 8270, 13232, 16540, 26464, 33080, 52928, 66160, 132320, 264640]

約数ペア:

[(1, 264640), (2, 132320), (4, 66160), (5, 52928), (8, 33080), (10, 26464), (16, 16540), (20, 13232), (32, 8270), (40, 6616), (64, 4135), (80, 3308), (160, 1654), (320, 827)]