8438000

素因数分解:

$2^4\times 5^3\times {\mathrm{4219}}^1$

素因数の和:4242

約数の個数: 40

約数和(自身を含む): 20407920

約数和(自身を除く): 11969920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4219, 8438, 16876, 21095, 33752, 42190, 67504, 84380, 105475, 168760, 210950, 337520, 421900, 527375, 843800, 1054750, 1687600, 2109500, 4219000, 8438000]

約数ペア:

[(1, 8438000), (2, 4219000), (4, 2109500), (5, 1687600), (8, 1054750), (10, 843800), (16, 527375), (20, 421900), (25, 337520), (40, 210950), (50, 168760), (80, 105475), (100, 84380), (125, 67504), (200, 42190), (250, 33752), (400, 21095), (500, 16876), (1000, 8438), (2000, 4219)]