203983040

素因数分解:

$2^6\times 5^1\times {\mathrm{637447}}^1$

素因数の和:637464

約数の個数: 28

約数和(自身を含む): 485735376

約数和(自身を除く): 281752336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 637447, 1274894, 2549788, 3187235, 5099576, 6374470, 10199152, 12748940, 20398304, 25497880, 40796608, 50995760, 101991520, 203983040]

約数ペア:

[(1, 203983040), (2, 101991520), (4, 50995760), (5, 40796608), (8, 25497880), (10, 20398304), (16, 12748940), (20, 10199152), (32, 6374470), (40, 5099576), (64, 3187235), (80, 2549788), (160, 1274894), (320, 637447)]