211604080

素因数分解:

$2^4\times 5^1\times {\mathrm{2645051}}^1$

素因数の和:2645064

約数の個数: 20

約数和(自身を含む): 491979672

約数和(自身を除く): 280375592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2645051, 5290102, 10580204, 13225255, 21160408, 26450510, 42320816, 52901020, 105802040, 211604080]

約数ペア:

[(1, 211604080), (2, 105802040), (4, 52901020), (5, 42320816), (8, 26450510), (10, 21160408), (16, 13225255), (20, 10580204), (40, 5290102), (80, 2645051)]