11157280

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 26603640

約数和(自身を除く): 15446360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 509, 548, 685, 1018, 1096, 1370, 2036, 2192, 2545, 2740, 4072, 4384, 5090, 5480, 8144, 10180, 10960, 16288, 20360, 21920, 40720, 69733, 81440, 139466, 278932, 348665, 557864, 697330, 1115728, 1394660, 2231456, 2789320, 5578640, 11157280]

約数ペア:

[(1, 11157280), (2, 5578640), (4, 2789320), (5, 2231456), (8, 1394660), (10, 1115728), (16, 697330), (20, 557864), (32, 348665), (40, 278932), (80, 139466), (137, 81440), (160, 69733), (274, 40720), (509, 21920), (548, 20360), (685, 16288), (1018, 10960), (1096, 10180), (1370, 8144), (2036, 5480), (2192, 5090), (2545, 4384), (2740, 4072)]