3945520

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 9262800

約数和(自身を除く): 5317280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 331, 596, 662, 745, 1192, 1324, 1490, 1655, 2384, 2648, 2980, 3310, 5296, 5960, 6620, 11920, 13240, 26480, 49319, 98638, 197276, 246595, 394552, 493190, 789104, 986380, 1972760, 3945520]

約数ペア:

[(1, 3945520), (2, 1972760), (4, 986380), (5, 789104), (8, 493190), (10, 394552), (16, 246595), (20, 197276), (40, 98638), (80, 49319), (149, 26480), (298, 13240), (331, 11920), (596, 6620), (662, 5960), (745, 5296), (1192, 3310), (1324, 2980), (1490, 2648), (1655, 2384)]