85628800

素因数分解:

$2^7\times 5^2\times {\mathrm{26759}}^1$

素因数の和:26783

約数の個数: 48

約数和(自身を含む): 211537800

約数和(自身を除く): 125909000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 26759, 53518, 107036, 133795, 214072, 267590, 428144, 535180, 668975, 856288, 1070360, 1337950, 1712576, 2140720, 2675900, 3425152, 4281440, 5351800, 8562880, 10703600, 17125760, 21407200, 42814400, 85628800]

約数ペア:

[(1, 85628800), (2, 42814400), (4, 21407200), (5, 17125760), (8, 10703600), (10, 8562880), (16, 5351800), (20, 4281440), (25, 3425152), (32, 2675900), (40, 2140720), (50, 1712576), (64, 1337950), (80, 1070360), (100, 856288), (128, 668975), (160, 535180), (200, 428144), (320, 267590), (400, 214072), (640, 133795), (800, 107036), (1600, 53518), (3200, 26759)]