80719705

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1321}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 107605512

約数和(自身を除く): 26885807

約数列:

[1, 5, 11, 55, 101, 121, 505, 605, 1111, 1321, 5555, 6605, 12221, 14531, 61105, 72655, 133421, 159841, 667105, 799205, 1467631, 7338155, 16143941, 80719705]

約数ペア:

[(1, 80719705), (5, 16143941), (11, 7338155), (55, 1467631), (101, 799205), (121, 667105), (505, 159841), (605, 133421), (1111, 72655), (1321, 61105), (5555, 14531), (6605, 12221)]