7824220

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2027}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 16524144

約数和(自身を除く): 8699924

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 2027, 3860, 4054, 8108, 10135, 20270, 40540, 391211, 782422, 1564844, 1956055, 3912110, 7824220]

約数ペア:

[(1, 7824220), (2, 3912110), (4, 1956055), (5, 1564844), (10, 782422), (20, 391211), (193, 40540), (386, 20270), (772, 10135), (965, 8108), (1930, 4054), (2027, 3860)]