173128880

素因数分解:

$2^4\times 5^1\times {\mathrm{2164111}}^1$

素因数の和:2164124

約数の個数: 20

約数和(自身を含む): 402524832

約数和(自身を除く): 229395952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2164111, 4328222, 8656444, 10820555, 17312888, 21641110, 34625776, 43282220, 86564440, 173128880]

約数ペア:

[(1, 173128880), (2, 86564440), (4, 43282220), (5, 34625776), (8, 21641110), (10, 17312888), (16, 10820555), (20, 8656444), (40, 4328222), (80, 2164111)]