13223500

素因数分解:

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

素因数の和:571

約数の個数: 48

約数和(自身を含む): 29484000

約数和(自身を除く): 16260500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 499, 500, 530, 998, 1060, 1325, 1996, 2495, 2650, 4990, 5300, 6625, 9980, 12475, 13250, 24950, 26447, 26500, 49900, 52894, 62375, 105788, 124750, 132235, 249500, 264470, 528940, 661175, 1322350, 2644700, 3305875, 6611750, 13223500]

約数ペア:

[(1, 13223500), (2, 6611750), (4, 3305875), (5, 2644700), (10, 1322350), (20, 661175), (25, 528940), (50, 264470), (53, 249500), (100, 132235), (106, 124750), (125, 105788), (212, 62375), (250, 52894), (265, 49900), (499, 26500), (500, 26447), (530, 24950), (998, 13250), (1060, 12475), (1325, 9980), (1996, 6625), (2495, 5300), (2650, 4990)]