49801520

素因数分解:

$2^4\times 5^1\times {\mathrm{622519}}^1$

素因数の和:622532

約数の個数: 20

約数和(自身を含む): 115788720

約数和(自身を除く): 65987200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 622519, 1245038, 2490076, 3112595, 4980152, 6225190, 9960304, 12450380, 24900760, 49801520]

約数ペア:

[(1, 49801520), (2, 24900760), (4, 12450380), (5, 9960304), (8, 6225190), (10, 4980152), (16, 3112595), (20, 2490076), (40, 1245038), (80, 622519)]