25981310

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{6679}}^1$

素因数の和:7075

約数の個数: 16

約数和(自身を含む): 46893600

約数和(自身を除く): 20912290

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 6679, 13358, 33395, 66790, 2598131, 5196262, 12990655, 25981310]

約数ペア:

[(1, 25981310), (2, 12990655), (5, 5196262), (10, 2598131), (389, 66790), (778, 33395), (1945, 13358), (3890, 6679)]