31138000

素因数分解:

$2^4\times 5^3\times {\mathrm{15569}}^1$

素因数の和:15592

約数の個数: 40

約数和(自身を含む): 75296520

約数和(自身を除く): 44158520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 15569, 31138, 62276, 77845, 124552, 155690, 249104, 311380, 389225, 622760, 778450, 1245520, 1556900, 1946125, 3113800, 3892250, 6227600, 7784500, 15569000, 31138000]

約数ペア:

[(1, 31138000), (2, 15569000), (4, 7784500), (5, 6227600), (8, 3892250), (10, 3113800), (16, 1946125), (20, 1556900), (25, 1245520), (40, 778450), (50, 622760), (80, 389225), (100, 311380), (125, 249104), (200, 155690), (250, 124552), (400, 77845), (500, 62276), (1000, 31138), (2000, 15569)]