3200720

素因数分解:

$2^4\times 5^1\times {\mathrm{40009}}^1$

素因数の和:40022

約数の個数: 20

約数和(自身を含む): 7441860

約数和(自身を除く): 4241140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 40009, 80018, 160036, 200045, 320072, 400090, 640144, 800180, 1600360, 3200720]

約数ペア:

[(1, 3200720), (2, 1600360), (4, 800180), (5, 640144), (8, 400090), (10, 320072), (16, 200045), (20, 160036), (40, 80018), (80, 40009)]