4244500

素因数分解:

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

素因数の和:685

約数の個数: 48

約数和(自身を含む): 9998352

約数和(自身を除く): 5753852

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 653, 1300, 1306, 1625, 2612, 3250, 3265, 6500, 6530, 8489, 13060, 16325, 16978, 32650, 33956, 42445, 65300, 81625, 84890, 163250, 169780, 212225, 326500, 424450, 848900, 1061125, 2122250, 4244500]

約数ペア:

[(1, 4244500), (2, 2122250), (4, 1061125), (5, 848900), (10, 424450), (13, 326500), (20, 212225), (25, 169780), (26, 163250), (50, 84890), (52, 81625), (65, 65300), (100, 42445), (125, 33956), (130, 32650), (250, 16978), (260, 16325), (325, 13060), (500, 8489), (650, 6530), (653, 6500), (1300, 3265), (1306, 3250), (1625, 2612)]