12688220

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2341}}^1$

素因数の和:2621

約数の個数: 24

約数和(自身を含む): 26755008

約数和(自身を除く): 14066788

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2341, 2710, 4682, 5420, 9364, 11705, 23410, 46820, 634411, 1268822, 2537644, 3172055, 6344110, 12688220]

約数ペア:

[(1, 12688220), (2, 6344110), (4, 3172055), (5, 2537644), (10, 1268822), (20, 634411), (271, 46820), (542, 23410), (1084, 11705), (1355, 9364), (2341, 5420), (2710, 4682)]