7916000

素因数分解:

$2^5\times 5^3\times {\mathrm{1979}}^1$

素因数の和:2004

約数の個数: 48

約数和(自身を含む): 19459440

約数和(自身を除く): 11543440

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, 1979, 2000, 3958, 4000, 7916, 9895, 15832, 19790, 31664, 39580, 49475, 63328, 79160, 98950, 158320, 197900, 247375, 316640, 395800, 494750, 791600, 989500, 1583200, 1979000, 3958000, 7916000]

約数ペア:

[(1, 7916000), (2, 3958000), (4, 1979000), (5, 1583200), (8, 989500), (10, 791600), (16, 494750), (20, 395800), (25, 316640), (32, 247375), (40, 197900), (50, 158320), (80, 98950), (100, 79160), (125, 63328), (160, 49475), (200, 39580), (250, 31664), (400, 19790), (500, 15832), (800, 9895), (1000, 7916), (1979, 4000), (2000, 3958)]