51284000

素因数分解:

$2^5\times 5^3\times {\mathrm{12821}}^1$

素因数の和:12846

約数の個数: 48

約数和(自身を含む): 126014616

約数和(自身を除く): 74730616

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, 12821, 25642, 51284, 64105, 102568, 128210, 205136, 256420, 320525, 410272, 512840, 641050, 1025680, 1282100, 1602625, 2051360, 2564200, 3205250, 5128400, 6410500, 10256800, 12821000, 25642000, 51284000]

約数ペア:

[(1, 51284000), (2, 25642000), (4, 12821000), (5, 10256800), (8, 6410500), (10, 5128400), (16, 3205250), (20, 2564200), (25, 2051360), (32, 1602625), (40, 1282100), (50, 1025680), (80, 641050), (100, 512840), (125, 410272), (160, 320525), (200, 256420), (250, 205136), (400, 128210), (500, 102568), (800, 64105), (1000, 51284), (2000, 25642), (4000, 12821)]