26490160

素因数分解:

$2^4\times 5^1\times {\mathrm{331127}}^1$

素因数の和:331140

約数の個数: 20

約数和(自身を含む): 61589808

約数和(自身を除く): 35099648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331127, 662254, 1324508, 1655635, 2649016, 3311270, 5298032, 6622540, 13245080, 26490160]

約数ペア:

[(1, 26490160), (2, 13245080), (4, 6622540), (5, 5298032), (8, 3311270), (10, 2649016), (16, 1655635), (20, 1324508), (40, 662254), (80, 331127)]