4068500

素因数分解:

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

素因数の和:201

約数の個数: 48

約数和(自身を含む): 9085440

約数和(自身を除く): 5016940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 103, 125, 158, 206, 250, 316, 395, 412, 500, 515, 790, 1030, 1580, 1975, 2060, 2575, 3950, 5150, 7900, 8137, 9875, 10300, 12875, 16274, 19750, 25750, 32548, 39500, 40685, 51500, 81370, 162740, 203425, 406850, 813700, 1017125, 2034250, 4068500]

約数ペア:

[(1, 4068500), (2, 2034250), (4, 1017125), (5, 813700), (10, 406850), (20, 203425), (25, 162740), (50, 81370), (79, 51500), (100, 40685), (103, 39500), (125, 32548), (158, 25750), (206, 19750), (250, 16274), (316, 12875), (395, 10300), (412, 9875), (500, 8137), (515, 7900), (790, 5150), (1030, 3950), (1580, 2575), (1975, 2060)]