25978030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199831}}^1$

素因数の和:199851

約数の個数: 16

約数和(自身を含む): 50357664

約数和(自身を除く): 24379634

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199831, 399662, 999155, 1998310, 2597803, 5195606, 12989015, 25978030]

約数ペア:

[(1, 25978030), (2, 12989015), (5, 5195606), (10, 2597803), (13, 1998310), (26, 999155), (65, 399662), (130, 199831)]