80857616

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37997}}^1$

素因数の和:38031

約数の個数: 40

約数和(自身を含む): 188470080

約数和(自身を除く): 107612464

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 37997, 75994, 151988, 265979, 303976, 531958, 607952, 721943, 1063916, 1443886, 2127832, 2887772, 4255664, 5053601, 5775544, 10107202, 11551088, 20214404, 40428808, 80857616]

約数ペア:

[(1, 80857616), (2, 40428808), (4, 20214404), (7, 11551088), (8, 10107202), (14, 5775544), (16, 5053601), (19, 4255664), (28, 2887772), (38, 2127832), (56, 1443886), (76, 1063916), (112, 721943), (133, 607952), (152, 531958), (266, 303976), (304, 265979), (532, 151988), (1064, 75994), (2128, 37997)]