26854840

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1319}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 60588000

約数和(自身を除く): 33733160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 1319, 2036, 2545, 2638, 4072, 5090, 5276, 6595, 10180, 10552, 13190, 20360, 26380, 52760, 671371, 1342742, 2685484, 3356855, 5370968, 6713710, 13427420, 26854840]

約数ペア:

[(1, 26854840), (2, 13427420), (4, 6713710), (5, 5370968), (8, 3356855), (10, 2685484), (20, 1342742), (40, 671371), (509, 52760), (1018, 26380), (1319, 20360), (2036, 13190), (2545, 10552), (2638, 10180), (4072, 6595), (5090, 5276)]