12811600

素因数分解:

$2^4\times 5^2\times {\mathrm{32029}}^1$

素因数の和:32047

約数の個数: 30

約数和(自身を含む): 30780830

約数和(自身を除く): 17969230

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32029, 64058, 128116, 160145, 256232, 320290, 512464, 640580, 800725, 1281160, 1601450, 2562320, 3202900, 6405800, 12811600]

約数ペア:

[(1, 12811600), (2, 6405800), (4, 3202900), (5, 2562320), (8, 1601450), (10, 1281160), (16, 800725), (20, 640580), (25, 512464), (40, 320290), (50, 256232), (80, 160145), (100, 128116), (200, 64058), (400, 32029)]