2565196420

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{412411}}^1$

素因数の和:412731

約数の個数: 24

約数和(自身を含む): 5404246848

約数和(自身を除く): 2839050428

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 412411, 824822, 1649644, 2062055, 4124110, 8248220, 128259821, 256519642, 513039284, 641299105, 1282598210, 2565196420]

約数ペア:

[(1, 2565196420), (2, 1282598210), (4, 641299105), (5, 513039284), (10, 256519642), (20, 128259821), (311, 8248220), (622, 4124110), (1244, 2062055), (1555, 1649644), (3110, 824822), (6220, 412411)]