13123580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5009}}^1$

素因数の和:5149

約数の個数: 24

約数和(自身を含む): 27775440

約数和(自身を除く): 14651860

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 5009, 10018, 20036, 25045, 50090, 100180, 656179, 1312358, 2624716, 3280895, 6561790, 13123580]

約数ペア:

[(1, 13123580), (2, 6561790), (4, 3280895), (5, 2624716), (10, 1312358), (20, 656179), (131, 100180), (262, 50090), (524, 25045), (655, 20036), (1310, 10018), (2620, 5009)]