39604000

素因数分解:

$2^5\times 5^3\times {\mathrm{9901}}^1$

素因数の和:9926

約数の個数: 48

約数和(自身を含む): 97316856

約数和(自身を除く): 57712856

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, 4000, 9901, 19802, 39604, 49505, 79208, 99010, 158416, 198020, 247525, 316832, 396040, 495050, 792080, 990100, 1237625, 1584160, 1980200, 2475250, 3960400, 4950500, 7920800, 9901000, 19802000, 39604000]

約数ペア:

[(1, 39604000), (2, 19802000), (4, 9901000), (5, 7920800), (8, 4950500), (10, 3960400), (16, 2475250), (20, 1980200), (25, 1584160), (32, 1237625), (40, 990100), (50, 792080), (80, 495050), (100, 396040), (125, 316832), (160, 247525), (200, 198020), (250, 158416), (400, 99010), (500, 79208), (800, 49505), (1000, 39604), (2000, 19802), (4000, 9901)]