13921840

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1723}}^1$

素因数の和:1837

約数の個数: 40

約数和(自身を含む): 32707728

約数和(自身を除く): 18785888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 1723, 2020, 3446, 4040, 6892, 8080, 8615, 13784, 17230, 27568, 34460, 68920, 137840, 174023, 348046, 696092, 870115, 1392184, 1740230, 2784368, 3480460, 6960920, 13921840]

約数ペア:

[(1, 13921840), (2, 6960920), (4, 3480460), (5, 2784368), (8, 1740230), (10, 1392184), (16, 870115), (20, 696092), (40, 348046), (80, 174023), (101, 137840), (202, 68920), (404, 34460), (505, 27568), (808, 17230), (1010, 13784), (1616, 8615), (1723, 8080), (2020, 6892), (3446, 4040)]