7891040

素因数分解:

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

素因数の和:495

約数の個数: 48

約数和(自身を含む): 18824400

約数和(自身を除く): 10933360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 331, 596, 662, 745, 1192, 1324, 1490, 1655, 2384, 2648, 2980, 3310, 4768, 5296, 5960, 6620, 10592, 11920, 13240, 23840, 26480, 49319, 52960, 98638, 197276, 246595, 394552, 493190, 789104, 986380, 1578208, 1972760, 3945520, 7891040]

約数ペア:

[(1, 7891040), (2, 3945520), (4, 1972760), (5, 1578208), (8, 986380), (10, 789104), (16, 493190), (20, 394552), (32, 246595), (40, 197276), (80, 98638), (149, 52960), (160, 49319), (298, 26480), (331, 23840), (596, 13240), (662, 11920), (745, 10592), (1192, 6620), (1324, 5960), (1490, 5296), (1655, 4768), (2384, 3310), (2648, 2980)]