78742000

素因数分解:

$2^4\times 5^3\times {\mathrm{39371}}^1$

素因数の和:39394

約数の個数: 40

約数和(自身を含む): 190402992

約数和(自身を除く): 111660992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 39371, 78742, 157484, 196855, 314968, 393710, 629936, 787420, 984275, 1574840, 1968550, 3149680, 3937100, 4921375, 7874200, 9842750, 15748400, 19685500, 39371000, 78742000]

約数ペア:

[(1, 78742000), (2, 39371000), (4, 19685500), (5, 15748400), (8, 9842750), (10, 7874200), (16, 4921375), (20, 3937100), (25, 3149680), (40, 1968550), (50, 1574840), (80, 984275), (100, 787420), (125, 629936), (200, 393710), (250, 314968), (400, 196855), (500, 157484), (1000, 78742), (2000, 39371)]