5156000

素因数分解:

$2^5\times 5^3\times {\mathrm{1289}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 12678120

約数和(自身を除く): 7522120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1289, 2000, 2578, 4000, 5156, 6445, 10312, 12890, 20624, 25780, 32225, 41248, 51560, 64450, 103120, 128900, 161125, 206240, 257800, 322250, 515600, 644500, 1031200, 1289000, 2578000, 5156000]

約数ペア:

[(1, 5156000), (2, 2578000), (4, 1289000), (5, 1031200), (8, 644500), (10, 515600), (16, 322250), (20, 257800), (25, 206240), (32, 161125), (40, 128900), (50, 103120), (80, 64450), (100, 51560), (125, 41248), (160, 32225), (200, 25780), (250, 20624), (400, 12890), (500, 10312), (800, 6445), (1000, 5156), (1289, 4000), (2000, 2578)]