26320720

素因数分解:

$2^4\times 5^1\times {\mathrm{329009}}^1$

素因数の和:329022

約数の個数: 20

約数和(自身を含む): 61195860

約数和(自身を除く): 34875140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 329009, 658018, 1316036, 1645045, 2632072, 3290090, 5264144, 6580180, 13160360, 26320720]

約数ペア:

[(1, 26320720), (2, 13160360), (4, 6580180), (5, 5264144), (8, 3290090), (10, 2632072), (16, 1645045), (20, 1316036), (40, 658018), (80, 329009)]