8617780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4027}}^1$

素因数の和:4143

約数の個数: 24

約数和(自身を含む): 18271008

約数和(自身を除く): 9653228

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 4027, 8054, 16108, 20135, 40270, 80540, 430889, 861778, 1723556, 2154445, 4308890, 8617780]

約数ペア:

[(1, 8617780), (2, 4308890), (4, 2154445), (5, 1723556), (10, 861778), (20, 430889), (107, 80540), (214, 40270), (428, 20135), (535, 16108), (1070, 8054), (2140, 4027)]