1142540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8161}}^1$

素因数の和:8177

約数の個数: 24

約数和(自身を含む): 2742432

約数和(自身を除く): 1599892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8161, 16322, 32644, 40805, 57127, 81610, 114254, 163220, 228508, 285635, 571270, 1142540]

約数ペア:

[(1, 1142540), (2, 571270), (4, 285635), (5, 228508), (7, 163220), (10, 114254), (14, 81610), (20, 57127), (28, 40805), (35, 32644), (70, 16322), (140, 8161)]