53257520

素因数分解:

$2^4\times 5^1\times {\mathrm{665719}}^1$

素因数の和:665732

約数の個数: 20

約数和(自身を含む): 123823920

約数和(自身を除く): 70566400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 665719, 1331438, 2662876, 3328595, 5325752, 6657190, 10651504, 13314380, 26628760, 53257520]

約数ペア:

[(1, 53257520), (2, 26628760), (4, 13314380), (5, 10651504), (8, 6657190), (10, 5325752), (16, 3328595), (20, 2662876), (40, 1331438), (80, 665719)]