13038500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 28894320

約数和(自身を除く): 15855820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 293, 356, 445, 500, 586, 890, 1172, 1465, 1780, 2225, 2930, 4450, 5860, 7325, 8900, 11125, 14650, 22250, 26077, 29300, 36625, 44500, 52154, 73250, 104308, 130385, 146500, 260770, 521540, 651925, 1303850, 2607700, 3259625, 6519250, 13038500]

約数ペア:

[(1, 13038500), (2, 6519250), (4, 3259625), (5, 2607700), (10, 1303850), (20, 651925), (25, 521540), (50, 260770), (89, 146500), (100, 130385), (125, 104308), (178, 73250), (250, 52154), (293, 44500), (356, 36625), (445, 29300), (500, 26077), (586, 22250), (890, 14650), (1172, 11125), (1465, 8900), (1780, 7325), (2225, 5860), (2930, 4450)]