54987775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1187}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 72919440

約数和(自身を除く): 17931665

約数列:

[1, 5, 17, 25, 85, 109, 425, 545, 1187, 1853, 2725, 5935, 9265, 20179, 29675, 46325, 100895, 129383, 504475, 646915, 2199511, 3234575, 10997555, 54987775]

約数ペア:

[(1, 54987775), (5, 10997555), (17, 3234575), (25, 2199511), (85, 646915), (109, 504475), (425, 129383), (545, 100895), (1187, 46325), (1853, 29675), (2725, 20179), (5935, 9265)]