73918820

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{8419}}^1$

素因数の和:8867

約数の個数: 24

約数和(自身を含む): 155601600

約数和(自身を除く): 81682780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8419, 8780, 16838, 33676, 42095, 84190, 168380, 3695941, 7391882, 14783764, 18479705, 36959410, 73918820]

約数ペア:

[(1, 73918820), (2, 36959410), (4, 18479705), (5, 14783764), (10, 7391882), (20, 3695941), (439, 168380), (878, 84190), (1756, 42095), (2195, 33676), (4390, 16838), (8419, 8780)]