4076000

素因数分解:

$2^5\times 5^3\times {\mathrm{1019}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 10024560

約数和(自身を除く): 5948560

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, 1019, 2000, 2038, 4000, 4076, 5095, 8152, 10190, 16304, 20380, 25475, 32608, 40760, 50950, 81520, 101900, 127375, 163040, 203800, 254750, 407600, 509500, 815200, 1019000, 2038000, 4076000]

約数ペア:

[(1, 4076000), (2, 2038000), (4, 1019000), (5, 815200), (8, 509500), (10, 407600), (16, 254750), (20, 203800), (25, 163040), (32, 127375), (40, 101900), (50, 81520), (80, 50950), (100, 40760), (125, 32608), (160, 25475), (200, 20380), (250, 16304), (400, 10190), (500, 8152), (800, 5095), (1000, 4076), (1019, 4000), (2000, 2038)]