78904880

素因数分解:

$2^4\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1117}}^1$

素因数の和:2013

約数の個数: 40

約数和(自身を含む): 183826032

約数和(自身を除く): 104921152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 883, 1117, 1766, 2234, 3532, 4415, 4468, 5585, 7064, 8830, 8936, 11170, 14128, 17660, 17872, 22340, 35320, 44680, 70640, 89360, 986311, 1972622, 3945244, 4931555, 7890488, 9863110, 15780976, 19726220, 39452440, 78904880]

約数ペア:

[(1, 78904880), (2, 39452440), (4, 19726220), (5, 15780976), (8, 9863110), (10, 7890488), (16, 4931555), (20, 3945244), (40, 1972622), (80, 986311), (883, 89360), (1117, 70640), (1766, 44680), (2234, 35320), (3532, 22340), (4415, 17872), (4468, 17660), (5585, 14128), (7064, 11170), (8830, 8936)]