68785040

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8513}}^1$

素因数の和:8627

約数の個数: 40

約数和(自身を含む): 161527608

約数和(自身を除く): 92742568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 8513, 17026, 34052, 42565, 68104, 85130, 136208, 170260, 340520, 681040, 859813, 1719626, 3439252, 4299065, 6878504, 8598130, 13757008, 17196260, 34392520, 68785040]

約数ペア:

[(1, 68785040), (2, 34392520), (4, 17196260), (5, 13757008), (8, 8598130), (10, 6878504), (16, 4299065), (20, 3439252), (40, 1719626), (80, 859813), (101, 681040), (202, 340520), (404, 170260), (505, 136208), (808, 85130), (1010, 68104), (1616, 42565), (2020, 34052), (4040, 17026), (8080, 8513)]