1040720

素因数分解:

$2^4\times 5^1\times {\mathrm{13009}}^1$

素因数の和:13022

約数の個数: 20

約数和(自身を含む): 2419860

約数和(自身を除く): 1379140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13009, 26018, 52036, 65045, 104072, 130090, 208144, 260180, 520360, 1040720]

約数ペア:

[(1, 1040720), (2, 520360), (4, 260180), (5, 208144), (8, 130090), (10, 104072), (16, 65045), (20, 52036), (40, 26018), (80, 13009)]