1601440

素因数分解:

$2^5\times 5^1\times {\mathrm{10009}}^1$

素因数の和:10024

約数の個数: 24

約数和(自身を含む): 3783780

約数和(自身を除く): 2182340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 10009, 20018, 40036, 50045, 80072, 100090, 160144, 200180, 320288, 400360, 800720, 1601440]

約数ペア:

[(1, 1601440), (2, 800720), (4, 400360), (5, 320288), (8, 200180), (10, 160144), (16, 100090), (20, 80072), (32, 50045), (40, 40036), (80, 20018), (160, 10009)]