51691000

素因数分解:

$2^3\times 5^3\times {\mathrm{51691}}^1$

素因数の和:51712

約数の個数: 32

約数和(自身を含む): 120959280

約数和(自身を除く): 69268280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 51691, 103382, 206764, 258455, 413528, 516910, 1033820, 1292275, 2067640, 2584550, 5169100, 6461375, 10338200, 12922750, 25845500, 51691000]

約数ペア:

[(1, 51691000), (2, 25845500), (4, 12922750), (5, 10338200), (8, 6461375), (10, 5169100), (20, 2584550), (25, 2067640), (40, 1292275), (50, 1033820), (100, 516910), (125, 413528), (200, 258455), (250, 206764), (500, 103382), (1000, 51691)]