87561080

素因数分解:

$2^3\times 5^1\times {\mathrm{2189027}}^1$

素因数の和:2189038

約数の個数: 16

約数和(自身を含む): 197012520

約数和(自身を除く): 109451440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2189027, 4378054, 8756108, 10945135, 17512216, 21890270, 43780540, 87561080]

約数ペア:

[(1, 87561080), (2, 43780540), (4, 21890270), (5, 17512216), (8, 10945135), (10, 8756108), (20, 4378054), (40, 2189027)]