8489000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 21425040

約数和(自身を除く): 12936040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 653, 1000, 1300, 1306, 1625, 2600, 2612, 3250, 3265, 5224, 6500, 6530, 8489, 13000, 13060, 16325, 16978, 26120, 32650, 33956, 42445, 65300, 67912, 81625, 84890, 130600, 163250, 169780, 212225, 326500, 339560, 424450, 653000, 848900, 1061125, 1697800, 2122250, 4244500, 8489000]

約数ペア:

[(1, 8489000), (2, 4244500), (4, 2122250), (5, 1697800), (8, 1061125), (10, 848900), (13, 653000), (20, 424450), (25, 339560), (26, 326500), (40, 212225), (50, 169780), (52, 163250), (65, 130600), (100, 84890), (104, 81625), (125, 67912), (130, 65300), (200, 42445), (250, 33956), (260, 32650), (325, 26120), (500, 16978), (520, 16325), (650, 13060), (653, 13000), (1000, 8489), (1300, 6530), (1306, 6500), (1625, 5224), (2600, 3265), (2612, 3250)]