4156000

素因数分解:

$2^5\times 5^3\times {\mathrm{1039}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 10221120

約数和(自身を除く): 6065120

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, 1039, 2000, 2078, 4000, 4156, 5195, 8312, 10390, 16624, 20780, 25975, 33248, 41560, 51950, 83120, 103900, 129875, 166240, 207800, 259750, 415600, 519500, 831200, 1039000, 2078000, 4156000]

約数ペア:

[(1, 4156000), (2, 2078000), (4, 1039000), (5, 831200), (8, 519500), (10, 415600), (16, 259750), (20, 207800), (25, 166240), (32, 129875), (40, 103900), (50, 83120), (80, 51950), (100, 41560), (125, 33248), (160, 25975), (200, 20780), (250, 16624), (400, 10390), (500, 8312), (800, 5195), (1000, 4156), (1039, 4000), (2000, 2078)]