82390400

素因数分解:

$2^7\times 5^2\times {\mathrm{25747}}^1$

素因数の和:25771

約数の個数: 48

約数和(自身を含む): 203537940

約数和(自身を除く): 121147540

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, 25747, 51494, 102988, 128735, 205976, 257470, 411952, 514940, 643675, 823904, 1029880, 1287350, 1647808, 2059760, 2574700, 3295616, 4119520, 5149400, 8239040, 10298800, 16478080, 20597600, 41195200, 82390400]

約数ペア:

[(1, 82390400), (2, 41195200), (4, 20597600), (5, 16478080), (8, 10298800), (10, 8239040), (16, 5149400), (20, 4119520), (25, 3295616), (32, 2574700), (40, 2059760), (50, 1647808), (64, 1287350), (80, 1029880), (100, 823904), (128, 643675), (160, 514940), (200, 411952), (320, 257470), (400, 205976), (640, 128735), (800, 102988), (1600, 51494), (3200, 25747)]