12969280

素因数分解:

$2^6\times 5^1\times {\mathrm{40529}}^1$

素因数の和:40546

約数の個数: 28

約数和(自身を含む): 30883860

約数和(自身を除く): 17914580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40529, 81058, 162116, 202645, 324232, 405290, 648464, 810580, 1296928, 1621160, 2593856, 3242320, 6484640, 12969280]

約数ペア:

[(1, 12969280), (2, 6484640), (4, 3242320), (5, 2593856), (8, 1621160), (10, 1296928), (16, 810580), (20, 648464), (32, 405290), (40, 324232), (64, 202645), (80, 162116), (160, 81058), (320, 40529)]