28876000

素因数分解:

$2^5\times 5^3\times {\mathrm{7219}}^1$

素因数の和:7244

約数の個数: 48

約数和(自身を含む): 70958160

約数和(自身を除く): 42082160

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, 2000, 4000, 7219, 14438, 28876, 36095, 57752, 72190, 115504, 144380, 180475, 231008, 288760, 360950, 577520, 721900, 902375, 1155040, 1443800, 1804750, 2887600, 3609500, 5775200, 7219000, 14438000, 28876000]

約数ペア:

[(1, 28876000), (2, 14438000), (4, 7219000), (5, 5775200), (8, 3609500), (10, 2887600), (16, 1804750), (20, 1443800), (25, 1155040), (32, 902375), (40, 721900), (50, 577520), (80, 360950), (100, 288760), (125, 231008), (160, 180475), (200, 144380), (250, 115504), (400, 72190), (500, 57752), (800, 36095), (1000, 28876), (2000, 14438), (4000, 7219)]