28274800

素因数分解:

$2^4\times 5^2\times {\mathrm{70687}}^1$

素因数の和:70705

約数の個数: 30

約数和(自身を含む): 67931168

約数和(自身を除く): 39656368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70687, 141374, 282748, 353435, 565496, 706870, 1130992, 1413740, 1767175, 2827480, 3534350, 5654960, 7068700, 14137400, 28274800]

約数ペア:

[(1, 28274800), (2, 14137400), (4, 7068700), (5, 5654960), (8, 3534350), (10, 2827480), (16, 1767175), (20, 1413740), (25, 1130992), (40, 706870), (50, 565496), (80, 353435), (100, 282748), (200, 141374), (400, 70687)]