28102400

素因数分解:

$2^8\times 5^2\times {\mathrm{4391}}^1$

素因数の和:4417

約数の個数: 54

約数和(自身を含む): 69573672

約数和(自身を除く): 41471272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 4391, 6400, 8782, 17564, 21955, 35128, 43910, 70256, 87820, 109775, 140512, 175640, 219550, 281024, 351280, 439100, 562048, 702560, 878200, 1124096, 1405120, 1756400, 2810240, 3512800, 5620480, 7025600, 14051200, 28102400]

約数ペア:

[(1, 28102400), (2, 14051200), (4, 7025600), (5, 5620480), (8, 3512800), (10, 2810240), (16, 1756400), (20, 1405120), (25, 1124096), (32, 878200), (40, 702560), (50, 562048), (64, 439100), (80, 351280), (100, 281024), (128, 219550), (160, 175640), (200, 140512), (256, 109775), (320, 87820), (400, 70256), (640, 43910), (800, 35128), (1280, 21955), (1600, 17564), (3200, 8782), (4391, 6400)]