1540400

素因数分解:

$2^4\times 5^2\times {\mathrm{3851}}^1$

素因数の和:3869

約数の個数: 30

約数和(自身を含む): 3701772

約数和(自身を除く): 2161372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3851, 7702, 15404, 19255, 30808, 38510, 61616, 77020, 96275, 154040, 192550, 308080, 385100, 770200, 1540400]

約数ペア:

[(1, 1540400), (2, 770200), (4, 385100), (5, 308080), (8, 192550), (10, 154040), (16, 96275), (20, 77020), (25, 61616), (40, 38510), (50, 30808), (80, 19255), (100, 15404), (200, 7702), (400, 3851)]