16321000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 40248000

約数和(自身を除く): 23927000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 859, 950, 1000, 1718, 1900, 2375, 3436, 3800, 4295, 4750, 6872, 8590, 9500, 16321, 17180, 19000, 21475, 32642, 34360, 42950, 65284, 81605, 85900, 107375, 130568, 163210, 171800, 214750, 326420, 408025, 429500, 652840, 816050, 859000, 1632100, 2040125, 3264200, 4080250, 8160500, 16321000]

約数ペア:

[(1, 16321000), (2, 8160500), (4, 4080250), (5, 3264200), (8, 2040125), (10, 1632100), (19, 859000), (20, 816050), (25, 652840), (38, 429500), (40, 408025), (50, 326420), (76, 214750), (95, 171800), (100, 163210), (125, 130568), (152, 107375), (190, 85900), (200, 81605), (250, 65284), (380, 42950), (475, 34360), (500, 32642), (760, 21475), (859, 19000), (950, 17180), (1000, 16321), (1718, 9500), (1900, 8590), (2375, 6872), (3436, 4750), (3800, 4295)]