9998640230

素因数分解:

$2^1\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{505237}}^1$

素因数の和:507223

約数の個数: 16

約数和(自身を含む): 18006682320

約数和(自身を除く): 8008042090

約数列:

[1, 2, 5, 10, 1979, 3958, 9895, 19790, 505237, 1010474, 2526185, 5052370, 999864023, 1999728046, 4999320115, 9998640230]

約数ペア:

[(1, 9998640230), (2, 4999320115), (5, 1999728046), (10, 999864023), (1979, 5052370), (3958, 2526185), (9895, 1010474), (19790, 505237)]