80978095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{77491}}^1$

素因数の和:77526

約数の個数: 16

約数和(自身を含む): 111588480

約数和(自身を除く): 30610385

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 77491, 387455, 852401, 1472329, 4262005, 7361645, 16195619, 80978095]

約数ペア:

[(1, 80978095), (5, 16195619), (11, 7361645), (19, 4262005), (55, 1472329), (95, 852401), (209, 387455), (1045, 77491)]