2051284000

素因数分解:

$2^5\times 5^3\times {\mathrm{512821}}^1$

素因数の和:512846

約数の個数: 48

約数和(自身を含む): 5040014616

約数和(自身を除く): 2988730616

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, 512821, 1025642, 2051284, 2564105, 4102568, 5128210, 8205136, 10256420, 12820525, 16410272, 20512840, 25641050, 41025680, 51282100, 64102625, 82051360, 102564200, 128205250, 205128400, 256410500, 410256800, 512821000, 1025642000, 2051284000]

約数ペア:

[(1, 2051284000), (2, 1025642000), (4, 512821000), (5, 410256800), (8, 256410500), (10, 205128400), (16, 128205250), (20, 102564200), (25, 82051360), (32, 64102625), (40, 51282100), (50, 41025680), (80, 25641050), (100, 20512840), (125, 16410272), (160, 12820525), (200, 10256420), (250, 8205136), (400, 5128210), (500, 4102568), (800, 2564105), (1000, 2051284), (2000, 1025642), (4000, 512821)]