28009090

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{11159}}^1$

素因数の和:11417

約数の個数: 16

約数和(自身を含む): 50621760

約数和(自身を除く): 22612670

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 11159, 22318, 55795, 111590, 2800909, 5601818, 14004545, 28009090]

約数ペア:

[(1, 28009090), (2, 14004545), (5, 5601818), (10, 2800909), (251, 111590), (502, 55795), (1255, 22318), (2510, 11159)]