69201280

素因数分解:

$2^7\times 5^1\times {\mathrm{108127}}^1$

素因数の和:108146

約数の個数: 32

約数和(自身を含む): 165435840

約数和(自身を除く): 96234560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 108127, 216254, 432508, 540635, 865016, 1081270, 1730032, 2162540, 3460064, 4325080, 6920128, 8650160, 13840256, 17300320, 34600640, 69201280]

約数ペア:

[(1, 69201280), (2, 34600640), (4, 17300320), (5, 13840256), (8, 8650160), (10, 6920128), (16, 4325080), (20, 3460064), (32, 2162540), (40, 1730032), (64, 1081270), (80, 865016), (128, 540635), (160, 432508), (320, 216254), (640, 108127)]