2547500

素因数分解:

$2^2\times 5^4\times {\mathrm{1019}}^1$

素因数の和:1043

約数の個数: 30

約数和(自身を含む): 5576340

約数和(自身を除く): 3028840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1019, 1250, 2038, 2500, 4076, 5095, 10190, 20380, 25475, 50950, 101900, 127375, 254750, 509500, 636875, 1273750, 2547500]

約数ペア:

[(1, 2547500), (2, 1273750), (4, 636875), (5, 509500), (10, 254750), (20, 127375), (25, 101900), (50, 50950), (100, 25475), (125, 20380), (250, 10190), (500, 5095), (625, 4076), (1019, 2500), (1250, 2038)]