5539180

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{661}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 11677680

約数和(自身を除く): 6138500

約数列:

[1, 2, 4, 5, 10, 20, 419, 661, 838, 1322, 1676, 2095, 2644, 3305, 4190, 6610, 8380, 13220, 276959, 553918, 1107836, 1384795, 2769590, 5539180]

約数ペア:

[(1, 5539180), (2, 2769590), (4, 1384795), (5, 1107836), (10, 553918), (20, 276959), (419, 13220), (661, 8380), (838, 6610), (1322, 4190), (1676, 3305), (2095, 2644)]