28737680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7643}}^1$

素因数の和:7703

約数の個数: 40

約数和(自身を含む): 68245632

約数和(自身を除く): 39507952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 7643, 15286, 30572, 38215, 61144, 76430, 122288, 152860, 305720, 359221, 611440, 718442, 1436884, 1796105, 2873768, 3592210, 5747536, 7184420, 14368840, 28737680]

約数ペア:

[(1, 28737680), (2, 14368840), (4, 7184420), (5, 5747536), (8, 3592210), (10, 2873768), (16, 1796105), (20, 1436884), (40, 718442), (47, 611440), (80, 359221), (94, 305720), (188, 152860), (235, 122288), (376, 76430), (470, 61144), (752, 38215), (940, 30572), (1880, 15286), (3760, 7643)]