82591280

素因数分解:

$2^4\times 5^1\times {\mathrm{1032391}}^1$

素因数の和:1032404

約数の個数: 20

約数和(自身を含む): 192024912

約数和(自身を除く): 109433632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1032391, 2064782, 4129564, 5161955, 8259128, 10323910, 16518256, 20647820, 41295640, 82591280]

約数ペア:

[(1, 82591280), (2, 41295640), (4, 20647820), (5, 16518256), (8, 10323910), (10, 8259128), (16, 5161955), (20, 4129564), (40, 2064782), (80, 1032391)]