80978665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{887}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 105814080

約数和(自身を除く): 24835415

約数列:

[1, 5, 19, 31, 95, 155, 589, 887, 961, 2945, 4435, 4805, 16853, 18259, 27497, 84265, 91295, 137485, 522443, 852407, 2612215, 4262035, 16195733, 80978665]

約数ペア:

[(1, 80978665), (5, 16195733), (19, 4262035), (31, 2612215), (95, 852407), (155, 522443), (589, 137485), (887, 91295), (961, 84265), (2945, 27497), (4435, 18259), (4805, 16853)]