26810260

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1657}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 56405160

約数和(自身を除く): 29594900

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 1657, 3236, 3314, 4045, 6628, 8090, 8285, 16180, 16570, 33140, 1340513, 2681026, 5362052, 6702565, 13405130, 26810260]

約数ペア:

[(1, 26810260), (2, 13405130), (4, 6702565), (5, 5362052), (10, 2681026), (20, 1340513), (809, 33140), (1618, 16570), (1657, 16180), (3236, 8285), (3314, 8090), (4045, 6628)]