11727820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 27165600

約数和(自身を除く): 15437780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1049, 1118, 2098, 2236, 2795, 4196, 5245, 5590, 10490, 11180, 13637, 20980, 27274, 45107, 54548, 68185, 90214, 136370, 180428, 225535, 272740, 451070, 586391, 902140, 1172782, 2345564, 2931955, 5863910, 11727820]

約数ペア:

[(1, 11727820), (2, 5863910), (4, 2931955), (5, 2345564), (10, 1172782), (13, 902140), (20, 586391), (26, 451070), (43, 272740), (52, 225535), (65, 180428), (86, 136370), (130, 90214), (172, 68185), (215, 54548), (260, 45107), (430, 27274), (559, 20980), (860, 13637), (1049, 11180), (1118, 10490), (2098, 5590), (2236, 5245), (2795, 4196)]