80415640

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8779}}^1$

素因数の和:9019

約数の個数: 32

約数和(自身を含む): 181746000

約数和(自身を除く): 101330360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 8779, 9160, 17558, 35116, 43895, 70232, 87790, 175580, 351160, 2010391, 4020782, 8041564, 10051955, 16083128, 20103910, 40207820, 80415640]

約数ペア:

[(1, 80415640), (2, 40207820), (4, 20103910), (5, 16083128), (8, 10051955), (10, 8041564), (20, 4020782), (40, 2010391), (229, 351160), (458, 175580), (916, 87790), (1145, 70232), (1832, 43895), (2290, 35116), (4580, 17558), (8779, 9160)]