5578640

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:659

約数の個数: 40

約数和(自身を含む): 13090680

約数和(自身を除く): 7512040

約数列:

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

約数ペア:

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