80215487572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19949}}^1\times {\mathrm{91387}}^1$

素因数の和:111351

約数の個数: 24

約数和(自身を含む): 153148010400

約数和(自身を除く): 72932522828

約数列:

[1, 2, 4, 11, 22, 44, 19949, 39898, 79796, 91387, 182774, 219439, 365548, 438878, 877756, 1005257, 2010514, 4021028, 1823079263, 3646158526, 7292317052, 20053871893, 40107743786, 80215487572]

約数ペア:

[(1, 80215487572), (2, 40107743786), (4, 20053871893), (11, 7292317052), (22, 3646158526), (44, 1823079263), (19949, 4021028), (39898, 2010514), (79796, 1005257), (91387, 877756), (182774, 438878), (219439, 365548)]