13280420

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1453}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 27969144

約数和(自身を除く): 14688724

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1453, 1828, 2285, 2906, 4570, 5812, 7265, 9140, 14530, 29060, 664021, 1328042, 2656084, 3320105, 6640210, 13280420]

約数ペア:

[(1, 13280420), (2, 6640210), (4, 3320105), (5, 2656084), (10, 1328042), (20, 664021), (457, 29060), (914, 14530), (1453, 9140), (1828, 7265), (2285, 5812), (2906, 4570)]