1384640

素因数分解:

$2^6\times 5^1\times {\mathrm{4327}}^1$

素因数の和:4344

約数の個数: 28

約数和(自身を含む): 3297936

約数和(自身を除く): 1913296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4327, 8654, 17308, 21635, 34616, 43270, 69232, 86540, 138464, 173080, 276928, 346160, 692320, 1384640]

約数ペア:

[(1, 1384640), (2, 692320), (4, 346160), (5, 276928), (8, 173080), (10, 138464), (16, 86540), (20, 69232), (32, 43270), (40, 34616), (64, 21635), (80, 17308), (160, 8654), (320, 4327)]