51247600

素因数分解:

$2^4\times 5^2\times {\mathrm{128119}}^1$

素因数の和:128137

約数の個数: 30

約数和(自身を含む): 123123320

約数和(自身を除く): 71875720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 128119, 256238, 512476, 640595, 1024952, 1281190, 2049904, 2562380, 3202975, 5124760, 6405950, 10249520, 12811900, 25623800, 51247600]

約数ペア:

[(1, 51247600), (2, 25623800), (4, 12811900), (5, 10249520), (8, 6405950), (10, 5124760), (16, 3202975), (20, 2562380), (25, 2049904), (40, 1281190), (50, 1024952), (80, 640595), (100, 512476), (200, 256238), (400, 128119)]