55220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 127008

約数和(自身を除く): 71788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 1004, 1255, 2510, 2761, 5020, 5522, 11044, 13805, 27610, 55220]

約数ペア:

[(1, 55220), (2, 27610), (4, 13805), (5, 11044), (10, 5522), (11, 5020), (20, 2761), (22, 2510), (44, 1255), (55, 1004), (110, 502), (220, 251)]