12689410

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2011}}^1$

素因数の和:2649

約数の個数: 16

約数和(自身を含む): 22888512

約数和(自身を除く): 10199102

約数列:

[1, 2, 5, 10, 631, 1262, 2011, 3155, 4022, 6310, 10055, 20110, 1268941, 2537882, 6344705, 12689410]

約数ペア:

[(1, 12689410), (2, 6344705), (5, 2537882), (10, 1268941), (631, 20110), (1262, 10055), (2011, 6310), (3155, 4022)]