5289400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 12555000

約数和(自身を除く): 7265600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 499, 530, 998, 1060, 1325, 1996, 2120, 2495, 2650, 3992, 4990, 5300, 9980, 10600, 12475, 19960, 24950, 26447, 49900, 52894, 99800, 105788, 132235, 211576, 264470, 528940, 661175, 1057880, 1322350, 2644700, 5289400]

約数ペア:

[(1, 5289400), (2, 2644700), (4, 1322350), (5, 1057880), (8, 661175), (10, 528940), (20, 264470), (25, 211576), (40, 132235), (50, 105788), (53, 99800), (100, 52894), (106, 49900), (200, 26447), (212, 24950), (265, 19960), (424, 12475), (499, 10600), (530, 9980), (998, 5300), (1060, 4990), (1325, 3992), (1996, 2650), (2120, 2495)]