210957680

素因数分解:

$2^4\times 5^1\times {\mathrm{2636971}}^1$

素因数の和:2636984

約数の個数: 20

約数和(自身を含む): 490476792

約数和(自身を除く): 279519112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2636971, 5273942, 10547884, 13184855, 21095768, 26369710, 42191536, 52739420, 105478840, 210957680]

約数ペア:

[(1, 210957680), (2, 105478840), (4, 52739420), (5, 42191536), (8, 26369710), (10, 21095768), (16, 13184855), (20, 10547884), (40, 5273942), (80, 2636971)]