66609500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1439

約数の個数: 48

約数和(自身を含む): 147026880

約数和(自身を除く): 80417380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 500, 505, 1010, 1319, 2020, 2525, 2638, 5050, 5276, 6595, 10100, 12625, 13190, 25250, 26380, 32975, 50500, 65950, 131900, 133219, 164875, 266438, 329750, 532876, 659500, 666095, 1332190, 2664380, 3330475, 6660950, 13321900, 16652375, 33304750, 66609500]

約数ペア:

[(1, 66609500), (2, 33304750), (4, 16652375), (5, 13321900), (10, 6660950), (20, 3330475), (25, 2664380), (50, 1332190), (100, 666095), (101, 659500), (125, 532876), (202, 329750), (250, 266438), (404, 164875), (500, 133219), (505, 131900), (1010, 65950), (1319, 50500), (2020, 32975), (2525, 26380), (2638, 25250), (5050, 13190), (5276, 12625), (6595, 10100)]