51490340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21277}}^1$

素因数の和:21308

約数の個数: 36

約数和(自身を含む): 118858908

約数和(自身を除く): 67368568

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 21277, 42554, 85108, 106385, 212770, 234047, 425540, 468094, 936188, 1170235, 2340470, 2574517, 4680940, 5149034, 10298068, 12872585, 25745170, 51490340]

約数ペア:

[(1, 51490340), (2, 25745170), (4, 12872585), (5, 10298068), (10, 5149034), (11, 4680940), (20, 2574517), (22, 2340470), (44, 1170235), (55, 936188), (110, 468094), (121, 425540), (220, 234047), (242, 212770), (484, 106385), (605, 85108), (1210, 42554), (2420, 21277)]