1338129280

素因数分解:

$2^7\times 5^1\times {\mathrm{2090827}}^1$

素因数の和:2090846

約数の個数: 32

約数和(自身を含む): 3198966840

約数和(自身を除く): 1860837560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2090827, 4181654, 8363308, 10454135, 16726616, 20908270, 33453232, 41816540, 66906464, 83633080, 133812928, 167266160, 267625856, 334532320, 669064640, 1338129280]

約数ペア:

[(1, 1338129280), (2, 669064640), (4, 334532320), (5, 267625856), (8, 167266160), (10, 133812928), (16, 83633080), (20, 66906464), (32, 41816540), (40, 33453232), (64, 20908270), (80, 16726616), (128, 10454135), (160, 8363308), (320, 4181654), (640, 2090827)]