202012000

素因数分解:

$2^5\times 5^3\times {\mathrm{50503}}^1$

素因数の和:50528

約数の個数: 48

約数和(自身を含む): 496353312

約数和(自身を除く): 294341312

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, 50503, 101006, 202012, 252515, 404024, 505030, 808048, 1010060, 1262575, 1616096, 2020120, 2525150, 4040240, 5050300, 6312875, 8080480, 10100600, 12625750, 20201200, 25251500, 40402400, 50503000, 101006000, 202012000]

約数ペア:

[(1, 202012000), (2, 101006000), (4, 50503000), (5, 40402400), (8, 25251500), (10, 20201200), (16, 12625750), (20, 10100600), (25, 8080480), (32, 6312875), (40, 5050300), (50, 4040240), (80, 2525150), (100, 2020120), (125, 1616096), (160, 1262575), (200, 1010060), (250, 808048), (400, 505030), (500, 404024), (800, 252515), (1000, 202012), (2000, 101006), (4000, 50503)]