102560720

素因数分解:

$2^4\times 5^1\times {\mathrm{1282009}}^1$

素因数の和:1282022

約数の個数: 20

約数和(自身を含む): 238453860

約数和(自身を除く): 135893140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1282009, 2564018, 5128036, 6410045, 10256072, 12820090, 20512144, 25640180, 51280360, 102560720]

約数ペア:

[(1, 102560720), (2, 51280360), (4, 25640180), (5, 20512144), (8, 12820090), (10, 10256072), (16, 6410045), (20, 5128036), (40, 2564018), (80, 1282009)]