13520720

素因数分解:

$2^4\times 5^1\times {\mathrm{169009}}^1$

素因数の和:169022

約数の個数: 20

約数和(自身を含む): 31435860

約数和(自身を除く): 17915140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 169009, 338018, 676036, 845045, 1352072, 1690090, 2704144, 3380180, 6760360, 13520720]

約数ペア:

[(1, 13520720), (2, 6760360), (4, 3380180), (5, 2704144), (8, 1690090), (10, 1352072), (16, 845045), (20, 676036), (40, 338018), (80, 169009)]