12796640

素因数分解:

$2^5\times 5^1\times {\mathrm{79979}}^1$

素因数の和:79994

約数の個数: 24

約数和(自身を含む): 30232440

約数和(自身を除く): 17435800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 79979, 159958, 319916, 399895, 639832, 799790, 1279664, 1599580, 2559328, 3199160, 6398320, 12796640]

約数ペア:

[(1, 12796640), (2, 6398320), (4, 3199160), (5, 2559328), (8, 1599580), (10, 1279664), (16, 799790), (20, 639832), (32, 399895), (40, 319916), (80, 159958), (160, 79979)]