12966560

素因数分解:

$2^5\times 5^1\times {\mathrm{81041}}^1$

素因数の和:81056

約数の個数: 24

約数和(自身を含む): 30633876

約数和(自身を除く): 17667316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 81041, 162082, 324164, 405205, 648328, 810410, 1296656, 1620820, 2593312, 3241640, 6483280, 12966560]

約数ペア:

[(1, 12966560), (2, 6483280), (4, 3241640), (5, 2593312), (8, 1620820), (10, 1296656), (16, 810410), (20, 648328), (32, 405205), (40, 324164), (80, 162082), (160, 81041)]