2590400

素因数分解:

$2^6\times 5^2\times {\mathrm{1619}}^1$

素因数の和:1641

約数の個数: 42

約数和(自身を含む): 6377940

約数和(自身を除く): 3787540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 1619, 3238, 6476, 8095, 12952, 16190, 25904, 32380, 40475, 51808, 64760, 80950, 103616, 129520, 161900, 259040, 323800, 518080, 647600, 1295200, 2590400]

約数ペア:

[(1, 2590400), (2, 1295200), (4, 647600), (5, 518080), (8, 323800), (10, 259040), (16, 161900), (20, 129520), (25, 103616), (32, 80950), (40, 64760), (50, 51808), (64, 40475), (80, 32380), (100, 25904), (160, 16190), (200, 12952), (320, 8095), (400, 6476), (800, 3238), (1600, 1619)]