22518100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1861}}^1$

素因数の和:1897

約数の個数: 54

約数和(自身を含む): 53739182

約数和(自身を除く): 31221082

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 1861, 2420, 3025, 3722, 6050, 7444, 9305, 12100, 18610, 20471, 37220, 40942, 46525, 81884, 93050, 102355, 186100, 204710, 225181, 409420, 450362, 511775, 900724, 1023550, 1125905, 2047100, 2251810, 4503620, 5629525, 11259050, 22518100]

約数ペア:

[(1, 22518100), (2, 11259050), (4, 5629525), (5, 4503620), (10, 2251810), (11, 2047100), (20, 1125905), (22, 1023550), (25, 900724), (44, 511775), (50, 450362), (55, 409420), (100, 225181), (110, 204710), (121, 186100), (220, 102355), (242, 93050), (275, 81884), (484, 46525), (550, 40942), (605, 37220), (1100, 20471), (1210, 18610), (1861, 12100), (2420, 9305), (3025, 7444), (3722, 6050)]