12508420

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2011}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 26365248

約数和(自身を除く): 13856828

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 2011, 3110, 4022, 6220, 8044, 10055, 20110, 40220, 625421, 1250842, 2501684, 3127105, 6254210, 12508420]

約数ペア:

[(1, 12508420), (2, 6254210), (4, 3127105), (5, 2501684), (10, 1250842), (20, 625421), (311, 40220), (622, 20110), (1244, 10055), (1555, 8044), (2011, 6220), (3110, 4022)]