26560720

素因数分解:

$2^4\times 5^1\times {\mathrm{332009}}^1$

素因数の和:332022

約数の個数: 20

約数和(自身を含む): 61753860

約数和(自身を除く): 35193140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 332009, 664018, 1328036, 1660045, 2656072, 3320090, 5312144, 6640180, 13280360, 26560720]

約数ペア:

[(1, 26560720), (2, 13280360), (4, 6640180), (5, 5312144), (8, 3320090), (10, 2656072), (16, 1660045), (20, 1328036), (40, 664018), (80, 332009)]