181276540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{135281}}^1$

素因数の和:135357

約数の個数: 24

約数和(自身を含む): 386365392

約数和(自身を除く): 205088852

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 135281, 270562, 541124, 676405, 1352810, 2705620, 9063827, 18127654, 36255308, 45319135, 90638270, 181276540]

約数ペア:

[(1, 181276540), (2, 90638270), (4, 45319135), (5, 36255308), (10, 18127654), (20, 9063827), (67, 2705620), (134, 1352810), (268, 676405), (335, 541124), (670, 270562), (1340, 135281)]