5164840

素因数分解:

$2^3\times 5^1\times {\mathrm{129121}}^1$

素因数の和:129132

約数の個数: 16

約数和(自身を含む): 11620980

約数和(自身を除く): 6456140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 129121, 258242, 516484, 645605, 1032968, 1291210, 2582420, 5164840]

約数ペア:

[(1, 5164840), (2, 2582420), (4, 1291210), (5, 1032968), (8, 645605), (10, 516484), (20, 258242), (40, 129121)]