39850400

素因数分解:

$2^5\times 5^2\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:586

約数の個数: 72

約数和(自身を含む): 98392140

約数和(自身を除く): 58541740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 109, 160, 200, 218, 400, 436, 457, 545, 800, 872, 914, 1090, 1744, 1828, 2180, 2285, 2725, 3488, 3656, 4360, 4570, 5450, 7312, 8720, 9140, 10900, 11425, 14624, 17440, 18280, 21800, 22850, 36560, 43600, 45700, 49813, 73120, 87200, 91400, 99626, 182800, 199252, 249065, 365600, 398504, 498130, 797008, 996260, 1245325, 1594016, 1992520, 2490650, 3985040, 4981300, 7970080, 9962600, 19925200, 39850400]

約数ペア:

[(1, 39850400), (2, 19925200), (4, 9962600), (5, 7970080), (8, 4981300), (10, 3985040), (16, 2490650), (20, 1992520), (25, 1594016), (32, 1245325), (40, 996260), (50, 797008), (80, 498130), (100, 398504), (109, 365600), (160, 249065), (200, 199252), (218, 182800), (400, 99626), (436, 91400), (457, 87200), (545, 73120), (800, 49813), (872, 45700), (914, 43600), (1090, 36560), (1744, 22850), (1828, 21800), (2180, 18280), (2285, 17440), (2725, 14624), (3488, 11425), (3656, 10900), (4360, 9140), (4570, 8720), (5450, 7312)]