12491020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{5527}}^1$

素因数の和:5649

約数の個数: 24

約数和(自身を含む): 26468064

約数和(自身を除く): 13977044

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 5527, 11054, 22108, 27635, 55270, 110540, 624551, 1249102, 2498204, 3122755, 6245510, 12491020]

約数ペア:

[(1, 12491020), (2, 6245510), (4, 3122755), (5, 2498204), (10, 1249102), (20, 624551), (113, 110540), (226, 55270), (452, 27635), (565, 22108), (1130, 11054), (2260, 5527)]