13408820

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{881}}^1$

素因数の和:1651

約数の個数: 24

約数和(自身を含む): 28227528

約数和(自身を除く): 14818708

約数列:

[1, 2, 4, 5, 10, 20, 761, 881, 1522, 1762, 3044, 3524, 3805, 4405, 7610, 8810, 15220, 17620, 670441, 1340882, 2681764, 3352205, 6704410, 13408820]

約数ペア:

[(1, 13408820), (2, 6704410), (4, 3352205), (5, 2681764), (10, 1340882), (20, 670441), (761, 17620), (881, 15220), (1522, 8810), (1762, 7610), (3044, 4405), (3524, 3805)]