25181680

素因数分解:

$2^4\times 5^1\times {\mathrm{314771}}^1$

素因数の和:314784

約数の個数: 20

約数和(自身を含む): 58547592

約数和(自身を除く): 33365912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 314771, 629542, 1259084, 1573855, 2518168, 3147710, 5036336, 6295420, 12590840, 25181680]

約数ペア:

[(1, 25181680), (2, 12590840), (4, 6295420), (5, 5036336), (8, 3147710), (10, 2518168), (16, 1573855), (20, 1259084), (40, 629542), (80, 314771)]