51263600

素因数分解:

$2^4\times 5^2\times {\mathrm{128159}}^1$

素因数の和:128177

約数の個数: 30

約数和(自身を含む): 123161760

約数和(自身を除く): 71898160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 128159, 256318, 512636, 640795, 1025272, 1281590, 2050544, 2563180, 3203975, 5126360, 6407950, 10252720, 12815900, 25631800, 51263600]

約数ペア:

[(1, 51263600), (2, 25631800), (4, 12815900), (5, 10252720), (8, 6407950), (10, 5126360), (16, 3203975), (20, 2563180), (25, 2050544), (40, 1281590), (50, 1025272), (80, 640795), (100, 512636), (200, 256318), (400, 128159)]