2581055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 3304800

約数和(自身を除く): 723745

約数列:

[1, 5, 19, 95, 101, 269, 505, 1345, 1919, 5111, 9595, 25555, 27169, 135845, 516211, 2581055]

約数ペア:

[(1, 2581055), (5, 516211), (19, 135845), (95, 27169), (101, 25555), (269, 9595), (505, 5111), (1345, 1919)]