80720882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89491}}^1$

素因数の和:89545

約数の個数: 16

約数和(自身を含む): 135311904

約数和(自身を除く): 54591022

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 89491, 178982, 984401, 1968802, 3669131, 7338262, 40360441, 80720882]

約数ペア:

[(1, 80720882), (2, 40360441), (11, 7338262), (22, 3669131), (41, 1968802), (82, 984401), (451, 178982), (902, 89491)]