507128638000

素因数分解:

$2^4\times 5^3\times {\mathrm{253564319}}^1$

素因数の和:253564342

約数の個数: 40

約数和(自身を含む): 1226237051520

約数和(自身を除く): 719108413520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 253564319, 507128638, 1014257276, 1267821595, 2028514552, 2535643190, 4057029104, 5071286380, 6339107975, 10142572760, 12678215950, 20285145520, 25356431900, 31695539875, 50712863800, 63391079750, 101425727600, 126782159500, 253564319000, 507128638000]

約数ペア:

[(1, 507128638000), (2, 253564319000), (4, 126782159500), (5, 101425727600), (8, 63391079750), (10, 50712863800), (16, 31695539875), (20, 25356431900), (25, 20285145520), (40, 12678215950), (50, 10142572760), (80, 6339107975), (100, 5071286380), (125, 4057029104), (200, 2535643190), (250, 2028514552), (400, 1267821595), (500, 1014257276), (1000, 507128638), (2000, 253564319)]