54395800

素因数分解:

$2^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1289}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 127168200

約数和(自身を除く): 72772400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 211, 422, 844, 1055, 1289, 1688, 2110, 2578, 4220, 5156, 5275, 6445, 8440, 10312, 10550, 12890, 21100, 25780, 32225, 42200, 51560, 64450, 128900, 257800, 271979, 543958, 1087916, 1359895, 2175832, 2719790, 5439580, 6799475, 10879160, 13598950, 27197900, 54395800]

約数ペア:

[(1, 54395800), (2, 27197900), (4, 13598950), (5, 10879160), (8, 6799475), (10, 5439580), (20, 2719790), (25, 2175832), (40, 1359895), (50, 1087916), (100, 543958), (200, 271979), (211, 257800), (422, 128900), (844, 64450), (1055, 51560), (1289, 42200), (1688, 32225), (2110, 25780), (2578, 21100), (4220, 12890), (5156, 10550), (5275, 10312), (6445, 8440)]