28318000

素因数分解:

$2^4\times 5^3\times {\mathrm{14159}}^1$

素因数の和:14182

約数の個数: 40

約数和(自身を含む): 68477760

約数和(自身を除く): 40159760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 14159, 28318, 56636, 70795, 113272, 141590, 226544, 283180, 353975, 566360, 707950, 1132720, 1415900, 1769875, 2831800, 3539750, 5663600, 7079500, 14159000, 28318000]

約数ペア:

[(1, 28318000), (2, 14159000), (4, 7079500), (5, 5663600), (8, 3539750), (10, 2831800), (16, 1769875), (20, 1415900), (25, 1132720), (40, 707950), (50, 566360), (80, 353975), (100, 283180), (125, 226544), (200, 141590), (250, 113272), (400, 70795), (500, 56636), (1000, 28318), (2000, 14159)]