54450800

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:906

約数の個数: 60

約数和(自身を含む): 131672376

約数和(自身を除く): 77221576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 691, 788, 985, 1382, 1576, 1970, 2764, 3152, 3455, 3940, 4925, 5528, 6910, 7880, 9850, 11056, 13820, 15760, 17275, 19700, 27640, 34550, 39400, 55280, 69100, 78800, 136127, 138200, 272254, 276400, 544508, 680635, 1089016, 1361270, 2178032, 2722540, 3403175, 5445080, 6806350, 10890160, 13612700, 27225400, 54450800]

約数ペア:

[(1, 54450800), (2, 27225400), (4, 13612700), (5, 10890160), (8, 6806350), (10, 5445080), (16, 3403175), (20, 2722540), (25, 2178032), (40, 1361270), (50, 1089016), (80, 680635), (100, 544508), (197, 276400), (200, 272254), (394, 138200), (400, 136127), (691, 78800), (788, 69100), (985, 55280), (1382, 39400), (1576, 34550), (1970, 27640), (2764, 19700), (3152, 17275), (3455, 15760), (3940, 13820), (4925, 11056), (5528, 9850), (6910, 7880)]