13750220

素因数分解:

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

素因数の和:62521

約数の個数: 24

約数和(自身を含む): 31501008

約数和(自身を除く): 17750788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 62501, 125002, 250004, 312505, 625010, 687511, 1250020, 1375022, 2750044, 3437555, 6875110, 13750220]

約数ペア:

[(1, 13750220), (2, 6875110), (4, 3437555), (5, 2750044), (10, 1375022), (11, 1250020), (20, 687511), (22, 625010), (44, 312505), (55, 250004), (110, 125002), (220, 62501)]