12984800

素因数分解:

$2^5\times 5^2\times {\mathrm{16231}}^1$

素因数の和:16251

約数の個数: 36

約数和(自身を含む): 31701096

約数和(自身を除く): 18716296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 16231, 32462, 64924, 81155, 129848, 162310, 259696, 324620, 405775, 519392, 649240, 811550, 1298480, 1623100, 2596960, 3246200, 6492400, 12984800]

約数ペア:

[(1, 12984800), (2, 6492400), (4, 3246200), (5, 2596960), (8, 1623100), (10, 1298480), (16, 811550), (20, 649240), (25, 519392), (32, 405775), (40, 324620), (50, 259696), (80, 162310), (100, 129848), (160, 81155), (200, 64924), (400, 32462), (800, 16231)]