3961484080

素因数分解:

$2^4\times 5^1\times {\mathrm{49518551}}^1$

素因数の和:49518564

約数の個数: 20

約数和(自身を含む): 9210450672

約数和(自身を除く): 5248966592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49518551, 99037102, 198074204, 247592755, 396148408, 495185510, 792296816, 990371020, 1980742040, 3961484080]

約数ペア:

[(1, 3961484080), (2, 1980742040), (4, 990371020), (5, 792296816), (8, 495185510), (10, 396148408), (16, 247592755), (20, 198074204), (40, 99037102), (80, 49518551)]