2566000

素因数分解:

$2^4\times 5^3\times {\mathrm{1283}}^1$

素因数の和:1306

約数の個数: 40

約数和(自身を含む): 6209424

約数和(自身を除く): 3643424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1283, 2000, 2566, 5132, 6415, 10264, 12830, 20528, 25660, 32075, 51320, 64150, 102640, 128300, 160375, 256600, 320750, 513200, 641500, 1283000, 2566000]

約数ペア:

[(1, 2566000), (2, 1283000), (4, 641500), (5, 513200), (8, 320750), (10, 256600), (16, 160375), (20, 128300), (25, 102640), (40, 64150), (50, 51320), (80, 32075), (100, 25660), (125, 20528), (200, 12830), (250, 10264), (400, 6415), (500, 5132), (1000, 2566), (1283, 2000)]