5420405

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 16

約数和(自身を含む): 6746544

約数和(自身を除く): 1326139

約数列:

[1, 5, 41, 137, 193, 205, 685, 965, 5617, 7913, 26441, 28085, 39565, 132205, 1084081, 5420405]

約数ペア:

[(1, 5420405), (5, 1084081), (41, 132205), (137, 39565), (193, 28085), (205, 26441), (685, 7913), (965, 5617)]