8587112920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2125523}}^1$

素因数の和:2125635

約数の個数: 32

約数和(自身を含む): 19512310320

約数和(自身を除く): 10925197400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 2125523, 4251046, 8502092, 10627615, 17004184, 21255230, 42510460, 85020920, 214677823, 429355646, 858711292, 1073389115, 1717422584, 2146778230, 4293556460, 8587112920]

約数ペア:

[(1, 8587112920), (2, 4293556460), (4, 2146778230), (5, 1717422584), (8, 1073389115), (10, 858711292), (20, 429355646), (40, 214677823), (101, 85020920), (202, 42510460), (404, 21255230), (505, 17004184), (808, 10627615), (1010, 8502092), (2020, 4251046), (4040, 2125523)]