86987260

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{43063}}^1$

素因数の和:43173

約数の個数: 24

約数和(自身を含む): 184486176

約数和(自身を除く): 97498916

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 43063, 86126, 172252, 215315, 430630, 861260, 4349363, 8698726, 17397452, 21746815, 43493630, 86987260]

約数ペア:

[(1, 86987260), (2, 43493630), (4, 21746815), (5, 17397452), (10, 8698726), (20, 4349363), (101, 861260), (202, 430630), (404, 215315), (505, 172252), (1010, 86126), (2020, 43063)]