12729280

素因数分解:

$2^6\times 5^1\times {\mathrm{39779}}^1$

素因数の和:39796

約数の個数: 28

約数和(自身を含む): 30312360

約数和(自身を除く): 17583080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39779, 79558, 159116, 198895, 318232, 397790, 636464, 795580, 1272928, 1591160, 2545856, 3182320, 6364640, 12729280]

約数ペア:

[(1, 12729280), (2, 6364640), (4, 3182320), (5, 2545856), (8, 1591160), (10, 1272928), (16, 795580), (20, 636464), (32, 397790), (40, 318232), (64, 198895), (80, 159116), (160, 79558), (320, 39779)]