51216080

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4673}}^1$

素因数の和:4823

約数の個数: 40

約数和(自身を含む): 119972232

約数和(自身を除く): 68756152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 4673, 5480, 9346, 10960, 18692, 23365, 37384, 46730, 74768, 93460, 186920, 373840, 640201, 1280402, 2560804, 3201005, 5121608, 6402010, 10243216, 12804020, 25608040, 51216080]

約数ペア:

[(1, 51216080), (2, 25608040), (4, 12804020), (5, 10243216), (8, 6402010), (10, 5121608), (16, 3201005), (20, 2560804), (40, 1280402), (80, 640201), (137, 373840), (274, 186920), (548, 93460), (685, 74768), (1096, 46730), (1370, 37384), (2192, 23365), (2740, 18692), (4673, 10960), (5480, 9346)]