80274880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{35837}}^1$

素因数の和:35861

約数の個数: 56

約数和(自身を含む): 218468448

約数和(自身を除く): 138193568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 35837, 71674, 143348, 179185, 250859, 286696, 358370, 501718, 573392, 716740, 1003436, 1146784, 1254295, 1433480, 2006872, 2293568, 2508590, 2866960, 4013744, 5017180, 5733920, 8027488, 10034360, 11467840, 16054976, 20068720, 40137440, 80274880]

約数ペア:

[(1, 80274880), (2, 40137440), (4, 20068720), (5, 16054976), (7, 11467840), (8, 10034360), (10, 8027488), (14, 5733920), (16, 5017180), (20, 4013744), (28, 2866960), (32, 2508590), (35, 2293568), (40, 2006872), (56, 1433480), (64, 1254295), (70, 1146784), (80, 1003436), (112, 716740), (140, 573392), (160, 501718), (224, 358370), (280, 286696), (320, 250859), (448, 179185), (560, 143348), (1120, 71674), (2240, 35837)]