87682540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{398557}}^1$

素因数の和:398577

約数の個数: 24

約数和(自身を含む): 200873232

約数和(自身を除く): 113190692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 398557, 797114, 1594228, 1992785, 3985570, 4384127, 7971140, 8768254, 17536508, 21920635, 43841270, 87682540]

約数ペア:

[(1, 87682540), (2, 43841270), (4, 21920635), (5, 17536508), (10, 8768254), (11, 7971140), (20, 4384127), (22, 3985570), (44, 1992785), (55, 1594228), (110, 797114), (220, 398557)]