2664380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1429

約数の個数: 24

約数和(自身を含む): 5654880

約数和(自身を除く): 2990500

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1319, 2020, 2638, 5276, 6595, 13190, 26380, 133219, 266438, 532876, 666095, 1332190, 2664380]

約数ペア:

[(1, 2664380), (2, 1332190), (4, 666095), (5, 532876), (10, 266438), (20, 133219), (101, 26380), (202, 13190), (404, 6595), (505, 5276), (1010, 2638), (1319, 2020)]