16540400

素因数分解:

$2^4\times 5^2\times {\mathrm{41351}}^1$

素因数の和:41369

約数の個数: 30

約数和(自身を含む): 39739272

約数和(自身を除く): 23198872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 41351, 82702, 165404, 206755, 330808, 413510, 661616, 827020, 1033775, 1654040, 2067550, 3308080, 4135100, 8270200, 16540400]

約数ペア:

[(1, 16540400), (2, 8270200), (4, 4135100), (5, 3308080), (8, 2067550), (10, 1654040), (16, 1033775), (20, 827020), (25, 661616), (40, 413510), (50, 330808), (80, 206755), (100, 165404), (200, 82702), (400, 41351)]