28921600

素因数分解:

$2^8\times 5^2\times {\mathrm{4519}}^1$

素因数の和:4545

約数の個数: 54

約数和(自身を含む): 71601320

約数和(自身を除く): 42679720

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, 4519, 6400, 9038, 18076, 22595, 36152, 45190, 72304, 90380, 112975, 144608, 180760, 225950, 289216, 361520, 451900, 578432, 723040, 903800, 1156864, 1446080, 1807600, 2892160, 3615200, 5784320, 7230400, 14460800, 28921600]

約数ペア:

[(1, 28921600), (2, 14460800), (4, 7230400), (5, 5784320), (8, 3615200), (10, 2892160), (16, 1807600), (20, 1446080), (25, 1156864), (32, 903800), (40, 723040), (50, 578432), (64, 451900), (80, 361520), (100, 289216), (128, 225950), (160, 180760), (200, 144608), (256, 112975), (320, 90380), (400, 72304), (640, 45190), (800, 36152), (1280, 22595), (1600, 18076), (3200, 9038), (4519, 6400)]