11180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 25872

約数和(自身を除く): 14692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180]

約数ペア:

[(1, 11180), (2, 5590), (4, 2795), (5, 2236), (10, 1118), (13, 860), (20, 559), (26, 430), (43, 260), (52, 215), (65, 172), (86, 130)]