200640310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{8527}}^1$

素因数の和:8728

約数の個数: 32

約数和(自身を含む): 391128192

約数和(自身を除く): 190487882

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 905, 1810, 2353, 4706, 8527, 11765, 17054, 23530, 42635, 85270, 110851, 221702, 554255, 1108510, 1543387, 3086774, 7716935, 15433870, 20064031, 40128062, 100320155, 200640310]

約数ペア:

[(1, 200640310), (2, 100320155), (5, 40128062), (10, 20064031), (13, 15433870), (26, 7716935), (65, 3086774), (130, 1543387), (181, 1108510), (362, 554255), (905, 221702), (1810, 110851), (2353, 85270), (4706, 42635), (8527, 23530), (11765, 17054)]