27408400

素因数分解:

$2^4\times 5^2\times {\mathrm{68521}}^1$

素因数の和:68539

約数の個数: 30

約数和(自身を含む): 65849642

約数和(自身を除く): 38441242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 68521, 137042, 274084, 342605, 548168, 685210, 1096336, 1370420, 1713025, 2740840, 3426050, 5481680, 6852100, 13704200, 27408400]

約数ペア:

[(1, 27408400), (2, 13704200), (4, 6852100), (5, 5481680), (8, 3426050), (10, 2740840), (16, 1713025), (20, 1370420), (25, 1096336), (40, 685210), (50, 548168), (80, 342605), (100, 274084), (200, 137042), (400, 68521)]