8388440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4877}}^1$

素因数の和:4931

約数の個数: 32

約数和(自身を含む): 19316880

約数和(自身を除く): 10928440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4877, 9754, 19508, 24385, 39016, 48770, 97540, 195080, 209711, 419422, 838844, 1048555, 1677688, 2097110, 4194220, 8388440]

約数ペア:

[(1, 8388440), (2, 4194220), (4, 2097110), (5, 1677688), (8, 1048555), (10, 838844), (20, 419422), (40, 209711), (43, 195080), (86, 97540), (172, 48770), (215, 39016), (344, 24385), (430, 19508), (860, 9754), (1720, 4877)]