13257800

素因数分解:

$2^3\times 5^2\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 31099200

約数和(自身を除く): 17841400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 151, 200, 302, 439, 604, 755, 878, 1208, 1510, 1756, 2195, 3020, 3512, 3775, 4390, 6040, 7550, 8780, 10975, 15100, 17560, 21950, 30200, 43900, 66289, 87800, 132578, 265156, 331445, 530312, 662890, 1325780, 1657225, 2651560, 3314450, 6628900, 13257800]

約数ペア:

[(1, 13257800), (2, 6628900), (4, 3314450), (5, 2651560), (8, 1657225), (10, 1325780), (20, 662890), (25, 530312), (40, 331445), (50, 265156), (100, 132578), (151, 87800), (200, 66289), (302, 43900), (439, 30200), (604, 21950), (755, 17560), (878, 15100), (1208, 10975), (1510, 8780), (1756, 7550), (2195, 6040), (3020, 4390), (3512, 3775)]