8137000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 19468800

約数和(自身を除く): 11331800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 103, 125, 158, 200, 206, 250, 316, 395, 412, 500, 515, 632, 790, 824, 1000, 1030, 1580, 1975, 2060, 2575, 3160, 3950, 4120, 5150, 7900, 8137, 9875, 10300, 12875, 15800, 16274, 19750, 20600, 25750, 32548, 39500, 40685, 51500, 65096, 79000, 81370, 103000, 162740, 203425, 325480, 406850, 813700, 1017125, 1627400, 2034250, 4068500, 8137000]

約数ペア:

[(1, 8137000), (2, 4068500), (4, 2034250), (5, 1627400), (8, 1017125), (10, 813700), (20, 406850), (25, 325480), (40, 203425), (50, 162740), (79, 103000), (100, 81370), (103, 79000), (125, 65096), (158, 51500), (200, 40685), (206, 39500), (250, 32548), (316, 25750), (395, 20600), (412, 19750), (500, 16274), (515, 15800), (632, 12875), (790, 10300), (824, 9875), (1000, 8137), (1030, 7900), (1580, 5150), (1975, 4120), (2060, 3950), (2575, 3160)]