122020405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{81619}}^1$

素因数の和:81660

約数の個数: 16

約数和(自身を含む): 164545920

約数和(自身を除く): 42525515

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 81619, 408095, 1061047, 1877237, 5305235, 9386185, 24404081, 122020405]

約数ペア:

[(1, 122020405), (5, 24404081), (13, 9386185), (23, 5305235), (65, 1877237), (115, 1061047), (299, 408095), (1495, 81619)]