51261200

素因数分解:

$2^4\times 5^2\times {\mathrm{128153}}^1$

素因数の和:128171

約数の個数: 30

約数和(自身を含む): 123155994

約数和(自身を除く): 71894794

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 128153, 256306, 512612, 640765, 1025224, 1281530, 2050448, 2563060, 3203825, 5126120, 6407650, 10252240, 12815300, 25630600, 51261200]

約数ペア:

[(1, 51261200), (2, 25630600), (4, 12815300), (5, 10252240), (8, 6407650), (10, 5126120), (16, 3203825), (20, 2563060), (25, 2050448), (40, 1281530), (50, 1025224), (80, 640765), (100, 512612), (200, 256306), (400, 128153)]