12870910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 25133472

約数和(自身を除く): 12262562

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 547, 905, 1094, 1810, 2353, 2735, 4706, 5470, 7111, 11765, 14222, 23530, 35555, 71110, 99007, 198014, 495035, 990070, 1287091, 2574182, 6435455, 12870910]

約数ペア:

[(1, 12870910), (2, 6435455), (5, 2574182), (10, 1287091), (13, 990070), (26, 495035), (65, 198014), (130, 99007), (181, 71110), (362, 35555), (547, 23530), (905, 14222), (1094, 11765), (1810, 7111), (2353, 5470), (2735, 4706)]