5428540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20879}}^1$

素因数の和:20901

約数の個数: 24

約数和(自身を含む): 12277440

約数和(自身を除く): 6848900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20879, 41758, 83516, 104395, 208790, 271427, 417580, 542854, 1085708, 1357135, 2714270, 5428540]

約数ペア:

[(1, 5428540), (2, 2714270), (4, 1357135), (5, 1085708), (10, 542854), (13, 417580), (20, 271427), (26, 208790), (52, 104395), (65, 83516), (130, 41758), (260, 20879)]