3947000

素因数分解:

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

素因数の和:3968

約数の個数: 32

約数和(自身を含む): 9238320

約数和(自身を除く): 5291320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 3947, 7894, 15788, 19735, 31576, 39470, 78940, 98675, 157880, 197350, 394700, 493375, 789400, 986750, 1973500, 3947000]

約数ペア:

[(1, 3947000), (2, 1973500), (4, 986750), (5, 789400), (8, 493375), (10, 394700), (20, 197350), (25, 157880), (40, 98675), (50, 78940), (100, 39470), (125, 31576), (200, 19735), (250, 15788), (500, 7894), (1000, 3947)]