51912040

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9473}}^1$

素因数の和:9621

約数の個数: 32

約数和(自身を含む): 117667080

約数和(自身を除く): 65755040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 9473, 18946, 37892, 47365, 75784, 94730, 189460, 378920, 1297801, 2595602, 5191204, 6489005, 10382408, 12978010, 25956020, 51912040]

約数ペア:

[(1, 51912040), (2, 25956020), (4, 12978010), (5, 10382408), (8, 6489005), (10, 5191204), (20, 2595602), (40, 1297801), (137, 378920), (274, 189460), (548, 94730), (685, 75784), (1096, 47365), (1370, 37892), (2740, 18946), (5480, 9473)]