25488080

素因数分解:

$2^4\times 5^1\times {\mathrm{318601}}^1$

素因数の和:318614

約数の個数: 20

約数和(自身を含む): 59259972

約数和(自身を除く): 33771892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 318601, 637202, 1274404, 1593005, 2548808, 3186010, 5097616, 6372020, 12744040, 25488080]

約数ペア:

[(1, 25488080), (2, 12744040), (4, 6372020), (5, 5097616), (8, 3186010), (10, 2548808), (16, 1593005), (20, 1274404), (40, 637202), (80, 318601)]