22528280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4111}}^1$

素因数の和:4259

約数の個数: 32

約数和(自身を含む): 51071040

約数和(自身を除く): 28542760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 4111, 5480, 8222, 16444, 20555, 32888, 41110, 82220, 164440, 563207, 1126414, 2252828, 2816035, 4505656, 5632070, 11264140, 22528280]

約数ペア:

[(1, 22528280), (2, 11264140), (4, 5632070), (5, 4505656), (8, 2816035), (10, 2252828), (20, 1126414), (40, 563207), (137, 164440), (274, 82220), (548, 41110), (685, 32888), (1096, 20555), (1370, 16444), (2740, 8222), (4111, 5480)]