12388790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17449}}^1$

素因数の和:17527

約数の個数: 16

約数和(自身を含む): 22615200

約数和(自身を除く): 10226410

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 17449, 34898, 87245, 174490, 1238879, 2477758, 6194395, 12388790]

約数ペア:

[(1, 12388790), (2, 6194395), (5, 2477758), (10, 1238879), (71, 174490), (142, 87245), (355, 34898), (710, 17449)]