85630000

素因数分解:

$2^4\times 5^4\times {\mathrm{8563}}^1$

素因数の和:8591

約数の個数: 50

約数和(自身を含む): 207343004

約数和(自身を除く): 121713004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 8563, 10000, 17126, 34252, 42815, 68504, 85630, 137008, 171260, 214075, 342520, 428150, 685040, 856300, 1070375, 1712600, 2140750, 3425200, 4281500, 5351875, 8563000, 10703750, 17126000, 21407500, 42815000, 85630000]

約数ペア:

[(1, 85630000), (2, 42815000), (4, 21407500), (5, 17126000), (8, 10703750), (10, 8563000), (16, 5351875), (20, 4281500), (25, 3425200), (40, 2140750), (50, 1712600), (80, 1070375), (100, 856300), (125, 685040), (200, 428150), (250, 342520), (400, 214075), (500, 171260), (625, 137008), (1000, 85630), (1250, 68504), (2000, 42815), (2500, 34252), (5000, 17126), (8563, 10000)]