11388860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{81349}}^1$

素因数の和:81365

約数の個数: 24

約数和(自身を含む): 27333600

約数和(自身を除く): 15944740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 81349, 162698, 325396, 406745, 569443, 813490, 1138886, 1626980, 2277772, 2847215, 5694430, 11388860]

約数ペア:

[(1, 11388860), (2, 5694430), (4, 2847215), (5, 2277772), (7, 1626980), (10, 1138886), (14, 813490), (20, 569443), (28, 406745), (35, 325396), (70, 162698), (140, 81349)]