25171280

素因数分解:

$2^4\times 5^1\times {\mathrm{314641}}^1$

素因数の和:314654

約数の個数: 20

約数和(自身を含む): 58523412

約数和(自身を除く): 33352132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 314641, 629282, 1258564, 1573205, 2517128, 3146410, 5034256, 6292820, 12585640, 25171280]

約数ペア:

[(1, 25171280), (2, 12585640), (4, 6292820), (5, 5034256), (8, 3146410), (10, 2517128), (16, 1573205), (20, 1258564), (40, 629282), (80, 314641)]