12802880

素因数分解:

$2^6\times 5^1\times {\mathrm{40009}}^1$

素因数の和:40026

約数の個数: 28

約数和(自身を含む): 30487620

約数和(自身を除く): 17684740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40009, 80018, 160036, 200045, 320072, 400090, 640144, 800180, 1280288, 1600360, 2560576, 3200720, 6401440, 12802880]

約数ペア:

[(1, 12802880), (2, 6401440), (4, 3200720), (5, 2560576), (8, 1600360), (10, 1280288), (16, 800180), (20, 640144), (32, 400090), (40, 320072), (64, 200045), (80, 160036), (160, 80018), (320, 40009)]