3986000

素因数分解:

$2^4\times 5^3\times {\mathrm{1993}}^1$

素因数の和:2016

約数の個数: 40

約数和(自身を含む): 9642984

約数和(自身を除く): 5656984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1993, 2000, 3986, 7972, 9965, 15944, 19930, 31888, 39860, 49825, 79720, 99650, 159440, 199300, 249125, 398600, 498250, 797200, 996500, 1993000, 3986000]

約数ペア:

[(1, 3986000), (2, 1993000), (4, 996500), (5, 797200), (8, 498250), (10, 398600), (16, 249125), (20, 199300), (25, 159440), (40, 99650), (50, 79720), (80, 49825), (100, 39860), (125, 31888), (200, 19930), (250, 15944), (400, 9965), (500, 7972), (1000, 3986), (1993, 2000)]