208075760

素因数分解:

$2^4\times 5^1\times {\mathrm{2600947}}^1$

素因数の和:2600960

約数の個数: 20

約数和(自身を含む): 483776328

約数和(自身を除く): 275700568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600947, 5201894, 10403788, 13004735, 20807576, 26009470, 41615152, 52018940, 104037880, 208075760]

約数ペア:

[(1, 208075760), (2, 104037880), (4, 52018940), (5, 41615152), (8, 26009470), (10, 20807576), (16, 13004735), (20, 10403788), (40, 5201894), (80, 2600947)]