55180475

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 82494720

約数和(自身を除く): 27314245

約数列:

[1, 5, 7, 25, 29, 35, 83, 131, 145, 175, 203, 415, 581, 655, 725, 917, 1015, 2075, 2407, 2905, 3275, 3799, 4585, 5075, 10873, 12035, 14525, 16849, 18995, 22925, 26593, 54365, 60175, 76111, 84245, 94975, 132965, 271825, 315317, 380555, 421225, 664825, 1576585, 1902775, 2207219, 7882925, 11036095, 55180475]

約数ペア:

[(1, 55180475), (5, 11036095), (7, 7882925), (25, 2207219), (29, 1902775), (35, 1576585), (83, 664825), (131, 421225), (145, 380555), (175, 315317), (203, 271825), (415, 132965), (581, 94975), (655, 84245), (725, 76111), (917, 60175), (1015, 54365), (2075, 26593), (2407, 22925), (2905, 18995), (3275, 16849), (3799, 14525), (4585, 12035), (5075, 10873)]