30638000

素因数分解:

$2^4\times 5^3\times {\mathrm{15319}}^1$

素因数の和:15342

約数の個数: 40

約数和(自身を含む): 74087520

約数和(自身を除く): 43449520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 15319, 30638, 61276, 76595, 122552, 153190, 245104, 306380, 382975, 612760, 765950, 1225520, 1531900, 1914875, 3063800, 3829750, 6127600, 7659500, 15319000, 30638000]

約数ペア:

[(1, 30638000), (2, 15319000), (4, 7659500), (5, 6127600), (8, 3829750), (10, 3063800), (16, 1914875), (20, 1531900), (25, 1225520), (40, 765950), (50, 612760), (80, 382975), (100, 306380), (125, 245104), (200, 153190), (250, 122552), (400, 76595), (500, 61276), (1000, 30638), (2000, 15319)]