12894800

素因数分解:

$2^4\times 5^2\times {\mathrm{32237}}^1$

素因数の和:32255

約数の個数: 30

約数和(自身を含む): 30980718

約数和(自身を除く): 18085918

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32237, 64474, 128948, 161185, 257896, 322370, 515792, 644740, 805925, 1289480, 1611850, 2578960, 3223700, 6447400, 12894800]

約数ペア:

[(1, 12894800), (2, 6447400), (4, 3223700), (5, 2578960), (8, 1611850), (10, 1289480), (16, 805925), (20, 644740), (25, 515792), (40, 322370), (50, 257896), (80, 161185), (100, 128948), (200, 64474), (400, 32237)]