49620080

素因数分解:

$2^4\times 5^1\times {\mathrm{620251}}^1$

素因数の和:620264

約数の個数: 20

約数和(自身を含む): 115366872

約数和(自身を除く): 65746792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 620251, 1240502, 2481004, 3101255, 4962008, 6202510, 9924016, 12405020, 24810040, 49620080]

約数ペア:

[(1, 49620080), (2, 24810040), (4, 12405020), (5, 9924016), (8, 6202510), (10, 4962008), (16, 3101255), (20, 2481004), (40, 1240502), (80, 620251)]