22917500

素因数分解:

$2^2\times 5^4\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 60

約数和(自身を含む): 51171120

約数和(自身を除く): 28253620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 103, 125, 178, 206, 250, 356, 412, 445, 500, 515, 625, 890, 1030, 1250, 1780, 2060, 2225, 2500, 2575, 4450, 5150, 8900, 9167, 10300, 11125, 12875, 18334, 22250, 25750, 36668, 44500, 45835, 51500, 55625, 64375, 91670, 111250, 128750, 183340, 222500, 229175, 257500, 458350, 916700, 1145875, 2291750, 4583500, 5729375, 11458750, 22917500]

約数ペア:

[(1, 22917500), (2, 11458750), (4, 5729375), (5, 4583500), (10, 2291750), (20, 1145875), (25, 916700), (50, 458350), (89, 257500), (100, 229175), (103, 222500), (125, 183340), (178, 128750), (206, 111250), (250, 91670), (356, 64375), (412, 55625), (445, 51500), (500, 45835), (515, 44500), (625, 36668), (890, 25750), (1030, 22250), (1250, 18334), (1780, 12875), (2060, 11125), (2225, 10300), (2500, 9167), (2575, 8900), (4450, 5150)]