1339590400

素因数分解:

$2^8\times 5^2\times {\mathrm{209311}}^1$

素因数の和:209337

約数の個数: 54

約数和(自身を含む): 3315711392

約数和(自身を除く): 1976120992

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, 6400, 209311, 418622, 837244, 1046555, 1674488, 2093110, 3348976, 4186220, 5232775, 6697952, 8372440, 10465550, 13395904, 16744880, 20931100, 26791808, 33489760, 41862200, 53583616, 66979520, 83724400, 133959040, 167448800, 267918080, 334897600, 669795200, 1339590400]

約数ペア:

[(1, 1339590400), (2, 669795200), (4, 334897600), (5, 267918080), (8, 167448800), (10, 133959040), (16, 83724400), (20, 66979520), (25, 53583616), (32, 41862200), (40, 33489760), (50, 26791808), (64, 20931100), (80, 16744880), (100, 13395904), (128, 10465550), (160, 8372440), (200, 6697952), (256, 5232775), (320, 4186220), (400, 3348976), (640, 2093110), (800, 1674488), (1280, 1046555), (1600, 837244), (3200, 418622), (6400, 209311)]