156940185620

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{11871421}}^1$

素因数の和:11872091

約数の個数: 24

約数和(自身を含む): 330073017288

約数和(自身を除く): 173132831668

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 11871421, 23742842, 47485684, 59357105, 118714210, 237428420, 7847009281, 15694018562, 31388037124, 39235046405, 78470092810, 156940185620]

約数ペア:

[(1, 156940185620), (2, 78470092810), (4, 39235046405), (5, 31388037124), (10, 15694018562), (20, 7847009281), (661, 237428420), (1322, 118714210), (2644, 59357105), (3305, 47485684), (6610, 23742842), (13220, 11871421)]