85554820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2591}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 195084288

約数和(自身を除く): 109529468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 2591, 3302, 5182, 6604, 8255, 10364, 12955, 16510, 25910, 33020, 33683, 51820, 67366, 134732, 168415, 329057, 336830, 658114, 673660, 1316228, 1645285, 3290570, 4277741, 6581140, 8555482, 17110964, 21388705, 42777410, 85554820]

約数ペア:

[(1, 85554820), (2, 42777410), (4, 21388705), (5, 17110964), (10, 8555482), (13, 6581140), (20, 4277741), (26, 3290570), (52, 1645285), (65, 1316228), (127, 673660), (130, 658114), (254, 336830), (260, 329057), (508, 168415), (635, 134732), (1270, 67366), (1651, 51820), (2540, 33683), (2591, 33020), (3302, 25910), (5182, 16510), (6604, 12955), (8255, 10364)]