79838180

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{18919}}^1$

素因数の和:19139

約数の個数: 24

約数和(自身を含む): 168463680

約数和(自身を除く): 88625500

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 18919, 37838, 75676, 94595, 189190, 378380, 3991909, 7983818, 15967636, 19959545, 39919090, 79838180]

約数ペア:

[(1, 79838180), (2, 39919090), (4, 19959545), (5, 15967636), (10, 7983818), (20, 3991909), (211, 378380), (422, 189190), (844, 94595), (1055, 75676), (2110, 37838), (4220, 18919)]