80474728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1061}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 159300000

約数和(自身を除く): 78825272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 499, 998, 1061, 1996, 2122, 3992, 4244, 8488, 9481, 18962, 20159, 37924, 40318, 75848, 80636, 161272, 529439, 1058878, 2117756, 4235512, 10059341, 20118682, 40237364, 80474728]

約数ペア:

[(1, 80474728), (2, 40237364), (4, 20118682), (8, 10059341), (19, 4235512), (38, 2117756), (76, 1058878), (152, 529439), (499, 161272), (998, 80636), (1061, 75848), (1996, 40318), (2122, 37924), (3992, 20159), (4244, 18962), (8488, 9481)]