8644340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6451}}^1$

素因数の和:6527

約数の個数: 24

約数和(自身を含む): 18426912

約数和(自身を除く): 9782572

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 6451, 12902, 25804, 32255, 64510, 129020, 432217, 864434, 1728868, 2161085, 4322170, 8644340]

約数ペア:

[(1, 8644340), (2, 4322170), (4, 2161085), (5, 1728868), (10, 864434), (20, 432217), (67, 129020), (134, 64510), (268, 32255), (335, 25804), (670, 12902), (1340, 6451)]