51987800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{13681}}^1$

素因数の和:13716

約数の個数: 48

約数和(自身を含む): 127242600

約数和(自身を除く): 75254800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 13681, 27362, 54724, 68405, 109448, 136810, 259939, 273620, 342025, 519878, 547240, 684050, 1039756, 1299695, 1368100, 2079512, 2599390, 2736200, 5198780, 6498475, 10397560, 12996950, 25993900, 51987800]

約数ペア:

[(1, 51987800), (2, 25993900), (4, 12996950), (5, 10397560), (8, 6498475), (10, 5198780), (19, 2736200), (20, 2599390), (25, 2079512), (38, 1368100), (40, 1299695), (50, 1039756), (76, 684050), (95, 547240), (100, 519878), (152, 342025), (190, 273620), (200, 259939), (380, 136810), (475, 109448), (760, 68405), (950, 54724), (1900, 27362), (3800, 13681)]