556660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 1259496

約数和(自身を除く): 702836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2141, 4282, 8564, 10705, 21410, 27833, 42820, 55666, 111332, 139165, 278330, 556660]

約数ペア:

[(1, 556660), (2, 278330), (4, 139165), (5, 111332), (10, 55666), (13, 42820), (20, 27833), (26, 21410), (52, 10705), (65, 8564), (130, 4282), (260, 2141)]