2557000

素因数分解:

$2^3\times 5^3\times {\mathrm{2557}}^1$

素因数の和:2578

約数の個数: 32

約数和(自身を含む): 5985720

約数和(自身を除く): 3428720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 2557, 5114, 10228, 12785, 20456, 25570, 51140, 63925, 102280, 127850, 255700, 319625, 511400, 639250, 1278500, 2557000]

約数ペア:

[(1, 2557000), (2, 1278500), (4, 639250), (5, 511400), (8, 319625), (10, 255700), (20, 127850), (25, 102280), (40, 63925), (50, 51140), (100, 25570), (125, 20456), (200, 12785), (250, 10228), (500, 5114), (1000, 2557)]