28277500

素因数分解:

$2^2\times 5^4\times {\mathrm{11311}}^1$

素因数の和:11335

約数の個数: 30

約数和(自身を含む): 61842704

約数和(自身を除く): 33565204

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 11311, 22622, 45244, 56555, 113110, 226220, 282775, 565550, 1131100, 1413875, 2827750, 5655500, 7069375, 14138750, 28277500]

約数ペア:

[(1, 28277500), (2, 14138750), (4, 7069375), (5, 5655500), (10, 2827750), (20, 1413875), (25, 1131100), (50, 565550), (100, 282775), (125, 226220), (250, 113110), (500, 56555), (625, 45244), (1250, 22622), (2500, 11311)]