5428420

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1009}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 11453400

約数和(自身を除く): 6024980

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1009, 1076, 1345, 2018, 2690, 4036, 5045, 5380, 10090, 20180, 271421, 542842, 1085684, 1357105, 2714210, 5428420]

約数ペア:

[(1, 5428420), (2, 2714210), (4, 1357105), (5, 1085684), (10, 542842), (20, 271421), (269, 20180), (538, 10090), (1009, 5380), (1076, 5045), (1345, 4036), (2018, 2690)]