87909590

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{80651}}^1$

素因数の和:80767

約数の個数: 16

約数和(自身を含む): 159690960

約数和(自身を除く): 71781370

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 80651, 161302, 403255, 806510, 8790959, 17581918, 43954795, 87909590]

約数ペア:

[(1, 87909590), (2, 43954795), (5, 17581918), (10, 8790959), (109, 806510), (218, 403255), (545, 161302), (1090, 80651)]