12980960

素因数分解:

$2^5\times 5^1\times {\mathrm{81131}}^1$

素因数の和:81146

約数の個数: 24

約数和(自身を含む): 30667896

約数和(自身を除く): 17686936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 81131, 162262, 324524, 405655, 649048, 811310, 1298096, 1622620, 2596192, 3245240, 6490480, 12980960]

約数ペア:

[(1, 12980960), (2, 6490480), (4, 3245240), (5, 2596192), (8, 1622620), (10, 1298096), (16, 811310), (20, 649048), (32, 405655), (40, 324524), (80, 162262), (160, 81131)]