80737904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{388163}}^1$

素因数の和:388184

約数の個数: 20

約数和(自身を含む): 168463176

約数和(自身を除く): 87725272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 388163, 776326, 1552652, 3105304, 5046119, 6210608, 10092238, 20184476, 40368952, 80737904]

約数ペア:

[(1, 80737904), (2, 40368952), (4, 20184476), (8, 10092238), (13, 6210608), (16, 5046119), (26, 3105304), (52, 1552652), (104, 776326), (208, 388163)]