2648000

素因数分解:

$2^6\times 5^3\times {\mathrm{331}}^1$

素因数の和:358

約数の個数: 56

約数和(自身を含む): 6577584

約数和(自身を除く): 3929584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 331, 400, 500, 662, 800, 1000, 1324, 1600, 1655, 2000, 2648, 3310, 4000, 5296, 6620, 8000, 8275, 10592, 13240, 16550, 21184, 26480, 33100, 41375, 52960, 66200, 82750, 105920, 132400, 165500, 264800, 331000, 529600, 662000, 1324000, 2648000]

約数ペア:

[(1, 2648000), (2, 1324000), (4, 662000), (5, 529600), (8, 331000), (10, 264800), (16, 165500), (20, 132400), (25, 105920), (32, 82750), (40, 66200), (50, 52960), (64, 41375), (80, 33100), (100, 26480), (125, 21184), (160, 16550), (200, 13240), (250, 10592), (320, 8275), (331, 8000), (400, 6620), (500, 5296), (662, 4000), (800, 3310), (1000, 2648), (1324, 2000), (1600, 1655)]