15788000

素因数分解:

$2^5\times 5^3\times {\mathrm{3947}}^1$

素因数の和:3972

約数の個数: 48

約数和(自身を含む): 38800944

約数和(自身を除く): 23012944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 3947, 4000, 7894, 15788, 19735, 31576, 39470, 63152, 78940, 98675, 126304, 157880, 197350, 315760, 394700, 493375, 631520, 789400, 986750, 1578800, 1973500, 3157600, 3947000, 7894000, 15788000]

約数ペア:

[(1, 15788000), (2, 7894000), (4, 3947000), (5, 3157600), (8, 1973500), (10, 1578800), (16, 986750), (20, 789400), (25, 631520), (32, 493375), (40, 394700), (50, 315760), (80, 197350), (100, 157880), (125, 126304), (160, 98675), (200, 78940), (250, 63152), (400, 39470), (500, 31576), (800, 19735), (1000, 15788), (2000, 7894), (3947, 4000)]