396691040

素因数分解:

$2^5\times 5^1\times {\mathrm{2479319}}^1$

素因数の和:2479334

約数の個数: 24

約数和(自身を含む): 937182960

約数和(自身を除く): 540491920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2479319, 4958638, 9917276, 12396595, 19834552, 24793190, 39669104, 49586380, 79338208, 99172760, 198345520, 396691040]

約数ペア:

[(1, 396691040), (2, 198345520), (4, 99172760), (5, 79338208), (8, 49586380), (10, 39669104), (16, 24793190), (20, 19834552), (32, 12396595), (40, 9917276), (80, 4958638), (160, 2479319)]