12726140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90901}}^1$

素因数の和:90917

約数の個数: 24

約数和(自身を含む): 30543072

約数和(自身を除く): 17816932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90901, 181802, 363604, 454505, 636307, 909010, 1272614, 1818020, 2545228, 3181535, 6363070, 12726140]

約数ペア:

[(1, 12726140), (2, 6363070), (4, 3181535), (5, 2545228), (7, 1818020), (10, 1272614), (14, 909010), (20, 636307), (28, 454505), (35, 363604), (70, 181802), (140, 90901)]