40402400

素因数分解:

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

素因数の和:50523

約数の個数: 36

約数和(自身を含む): 98634312

約数和(自身を除く): 58231912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 50503, 101006, 202012, 252515, 404024, 505030, 808048, 1010060, 1262575, 1616096, 2020120, 2525150, 4040240, 5050300, 8080480, 10100600, 20201200, 40402400]

約数ペア:

[(1, 40402400), (2, 20201200), (4, 10100600), (5, 8080480), (8, 5050300), (10, 4040240), (16, 2525150), (20, 2020120), (25, 1616096), (32, 1262575), (40, 1010060), (50, 808048), (80, 505030), (100, 404024), (160, 252515), (200, 202012), (400, 101006), (800, 50503)]