8540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1$

素因数の和:77

約数の個数: 24

約数和(自身を含む): 20832

約数和(自身を除く): 12292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540]

約数ペア:

[(1, 8540), (2, 4270), (4, 2135), (5, 1708), (7, 1220), (10, 854), (14, 610), (20, 427), (28, 305), (35, 244), (61, 140), (70, 122)]