12878260

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1409}}^1$

素因数の和:1875

約数の個数: 24

約数和(自身を含む): 27122760

約数和(自身を除く): 14244500

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1409, 1828, 2285, 2818, 4570, 5636, 7045, 9140, 14090, 28180, 643913, 1287826, 2575652, 3219565, 6439130, 12878260]

約数ペア:

[(1, 12878260), (2, 6439130), (4, 3219565), (5, 2575652), (10, 1287826), (20, 643913), (457, 28180), (914, 14090), (1409, 9140), (1828, 7045), (2285, 5636), (2818, 4570)]