51314540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{36137}}^1$

素因数の和:36217

約数の個数: 24

約数和(自身を含む): 109281312

約数和(自身を除く): 57966772

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 36137, 72274, 144548, 180685, 361370, 722740, 2565727, 5131454, 10262908, 12828635, 25657270, 51314540]

約数ペア:

[(1, 51314540), (2, 25657270), (4, 12828635), (5, 10262908), (10, 5131454), (20, 2565727), (71, 722740), (142, 361370), (284, 180685), (355, 144548), (710, 72274), (1420, 36137)]