28030400

素因数分解:

$2^6\times 5^2\times {\mathrm{17519}}^1$

素因数の和:17541

約数の個数: 42

約数和(自身を含む): 68976240

約数和(自身を除く): 40945840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 17519, 35038, 70076, 87595, 140152, 175190, 280304, 350380, 437975, 560608, 700760, 875950, 1121216, 1401520, 1751900, 2803040, 3503800, 5606080, 7007600, 14015200, 28030400]

約数ペア:

[(1, 28030400), (2, 14015200), (4, 7007600), (5, 5606080), (8, 3503800), (10, 2803040), (16, 1751900), (20, 1401520), (25, 1121216), (32, 875950), (40, 700760), (50, 560608), (64, 437975), (80, 350380), (100, 280304), (160, 175190), (200, 140152), (320, 87595), (400, 70076), (800, 35038), (1600, 17519)]