27500440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62501}}^1$

素因数の和:62523

約数の個数: 32

約数和(自身を含む): 67502160

約数和(自身を除く): 40001720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 62501, 125002, 250004, 312505, 500008, 625010, 687511, 1250020, 1375022, 2500040, 2750044, 3437555, 5500088, 6875110, 13750220, 27500440]

約数ペア:

[(1, 27500440), (2, 13750220), (4, 6875110), (5, 5500088), (8, 3437555), (10, 2750044), (11, 2500040), (20, 1375022), (22, 1250020), (40, 687511), (44, 625010), (55, 500008), (88, 312505), (110, 250004), (220, 125002), (440, 62501)]