49818320

素因数分解:

$2^4\times 5^1\times {\mathrm{622729}}^1$

素因数の和:622742

約数の個数: 20

約数和(自身を含む): 115827780

約数和(自身を除く): 66009460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 622729, 1245458, 2490916, 3113645, 4981832, 6227290, 9963664, 12454580, 24909160, 49818320]

約数ペア:

[(1, 49818320), (2, 24909160), (4, 12454580), (5, 9963664), (8, 6227290), (10, 4981832), (16, 3113645), (20, 2490916), (40, 1245458), (80, 622729)]