51790000

素因数分解:

$2^4\times 5^4\times {\mathrm{5179}}^1$

素因数の和:5207

約数の個数: 50

約数和(自身を含む): 125412980

約数和(自身を除く): 73622980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 5179, 10000, 10358, 20716, 25895, 41432, 51790, 82864, 103580, 129475, 207160, 258950, 414320, 517900, 647375, 1035800, 1294750, 2071600, 2589500, 3236875, 5179000, 6473750, 10358000, 12947500, 25895000, 51790000]

約数ペア:

[(1, 51790000), (2, 25895000), (4, 12947500), (5, 10358000), (8, 6473750), (10, 5179000), (16, 3236875), (20, 2589500), (25, 2071600), (40, 1294750), (50, 1035800), (80, 647375), (100, 517900), (125, 414320), (200, 258950), (250, 207160), (400, 129475), (500, 103580), (625, 82864), (1000, 51790), (1250, 41432), (2000, 25895), (2500, 20716), (5000, 10358), (5179, 10000)]