51491600

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1181}}^1$

素因数の和:1308

約数の個数: 60

約数和(自身を含む): 124949220

約数和(自身を除く): 73457620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 400, 436, 545, 872, 1090, 1181, 1744, 2180, 2362, 2725, 4360, 4724, 5450, 5905, 8720, 9448, 10900, 11810, 18896, 21800, 23620, 29525, 43600, 47240, 59050, 94480, 118100, 128729, 236200, 257458, 472400, 514916, 643645, 1029832, 1287290, 2059664, 2574580, 3218225, 5149160, 6436450, 10298320, 12872900, 25745800, 51491600]

約数ペア:

[(1, 51491600), (2, 25745800), (4, 12872900), (5, 10298320), (8, 6436450), (10, 5149160), (16, 3218225), (20, 2574580), (25, 2059664), (40, 1287290), (50, 1029832), (80, 643645), (100, 514916), (109, 472400), (200, 257458), (218, 236200), (400, 128729), (436, 118100), (545, 94480), (872, 59050), (1090, 47240), (1181, 43600), (1744, 29525), (2180, 23620), (2362, 21800), (2725, 18896), (4360, 11810), (4724, 10900), (5450, 9448), (5905, 8720)]