12811840

素因数分解:

$2^6\times 5^1\times {\mathrm{40037}}^1$

素因数の和:40054

約数の個数: 28

約数和(自身を含む): 30508956

約数和(自身を除く): 17697116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40037, 80074, 160148, 200185, 320296, 400370, 640592, 800740, 1281184, 1601480, 2562368, 3202960, 6405920, 12811840]

約数ペア:

[(1, 12811840), (2, 6405920), (4, 3202960), (5, 2562368), (8, 1601480), (10, 1281184), (16, 800740), (20, 640592), (32, 400370), (40, 320296), (64, 200185), (80, 160148), (160, 80074), (320, 40037)]