4990400

素因数分解:

$2^6\times 5^2\times {\mathrm{3119}}^1$

素因数の和:3141

約数の個数: 42

約数和(自身を含む): 12283440

約数和(自身を除く): 7293040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 3119, 6238, 12476, 15595, 24952, 31190, 49904, 62380, 77975, 99808, 124760, 155950, 199616, 249520, 311900, 499040, 623800, 998080, 1247600, 2495200, 4990400]

約数ペア:

[(1, 4990400), (2, 2495200), (4, 1247600), (5, 998080), (8, 623800), (10, 499040), (16, 311900), (20, 249520), (25, 199616), (32, 155950), (40, 124760), (50, 99808), (64, 77975), (80, 62380), (100, 49904), (160, 31190), (200, 24952), (320, 15595), (400, 12476), (800, 6238), (1600, 3119)]