87207760

素因数分解:

$2^4\times 5^1\times {\mathrm{1090097}}^1$

素因数の和:1090110

約数の個数: 20

約数和(自身を含む): 202758228

約数和(自身を除く): 115550468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1090097, 2180194, 4360388, 5450485, 8720776, 10900970, 17441552, 21801940, 43603880, 87207760]

約数ペア:

[(1, 87207760), (2, 43603880), (4, 21801940), (5, 17441552), (8, 10900970), (10, 8720776), (16, 5450485), (20, 4360388), (40, 2180194), (80, 1090097)]