39620600

素因数分解:

$2^3\times 5^2\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 92535000

約数和(自身を除く): 52914400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 397, 499, 794, 998, 1588, 1985, 1996, 2495, 3176, 3970, 3992, 4990, 7940, 9925, 9980, 12475, 15880, 19850, 19960, 24950, 39700, 49900, 79400, 99800, 198103, 396206, 792412, 990515, 1584824, 1981030, 3962060, 4952575, 7924120, 9905150, 19810300, 39620600]

約数ペア:

[(1, 39620600), (2, 19810300), (4, 9905150), (5, 7924120), (8, 4952575), (10, 3962060), (20, 1981030), (25, 1584824), (40, 990515), (50, 792412), (100, 396206), (200, 198103), (397, 99800), (499, 79400), (794, 49900), (998, 39700), (1588, 24950), (1985, 19960), (1996, 19850), (2495, 15880), (3176, 12475), (3970, 9980), (3992, 9925), (4990, 7940)]