80389556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{13681}}^1$

素因数の和:13811

約数の個数: 24

約数和(自身を含む): 152855304

約数和(自身を除く): 72465748

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 5876, 13681, 27362, 54724, 177853, 355706, 711412, 1545953, 3091906, 6183812, 20097389, 40194778, 80389556]

約数ペア:

[(1, 80389556), (2, 40194778), (4, 20097389), (13, 6183812), (26, 3091906), (52, 1545953), (113, 711412), (226, 355706), (452, 177853), (1469, 54724), (2938, 27362), (5876, 13681)]