12154640

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1259

約数の個数: 40

約数和(自身を含む): 28491480

約数和(自身を除く): 16336840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1109, 1370, 2192, 2218, 2740, 4436, 5480, 5545, 8872, 10960, 11090, 17744, 22180, 44360, 88720, 151933, 303866, 607732, 759665, 1215464, 1519330, 2430928, 3038660, 6077320, 12154640]

約数ペア:

[(1, 12154640), (2, 6077320), (4, 3038660), (5, 2430928), (8, 1519330), (10, 1215464), (16, 759665), (20, 607732), (40, 303866), (80, 151933), (137, 88720), (274, 44360), (548, 22180), (685, 17744), (1096, 11090), (1109, 10960), (1370, 8872), (2192, 5545), (2218, 5480), (2740, 4436)]